#00192D

Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.051 244.7), rgb(0, 25, 45).

Aa

White text reads best on this color (17.84:1).

About this color

#00192D is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.051 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.020 away. White text reads best on it, at 17.84:1.

Hue familyBlues
Lightnessvery dark (21%)
Chromamuted (0.051)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.17:1
White text17.84:1

Values

HEX#00192D
RGBrgb(0, 25, 45)
HSLhsl(207, 100%, 9%)
OKLCHoklch(20.6% 0.051 244.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #00192D 17.84:1 AAA Lc -106.6 Preferred for body text
Black text on #00192D 1.17:1 Fails Lc 0.0 Not readable
#00192D text on white 17.84:1 AAA Lc 104.4 Preferred for body text
#00192D text on black 1.17:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F1F6FB

    oklch(97.1% 0.009 247.9)

  2. Step 100

    100

    #E0EBF5

    oklch(93.5% 0.018 245.4)

  3. Step 200

    200

    #C7DCEE

    oklch(88.4% 0.034 244)

  4. Step 300

    300

    #A0C6E6

    oklch(81% 0.061 244)

  5. Step 400

    400

    #6AA7D9

    oklch(70.7% 0.097 244.5)

  6. Step 500

    500

    #3C90CF

    oklch(63.1% 0.125 244.5)

  7. Step 600

    600

    #0C79BC

    oklch(55.6% 0.135 244.6)

  8. Step 700

    700

    #0066A1

    oklch(49.2% 0.123 244.5)

  9. Step 800

    800

    #055384

    oklch(42.7% 0.105 244.9)

  10. Step 900

    900

    #134569

    oklch(37.7% 0.081 244.5)

  11. Step 950

    950 (this color)

    #00192D

    oklch(20.6% 0.051 244.7)

Export this scale for Tailwind in the Tailwind colors tool

#00192D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0F1A2E0.021
Deuteranopia (no green cones)#08162D0.014
Tritanopia (no blue cones)#001E200.036
Achromatopsia (no color)#1717170.052

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #00192D

    #00192D

    oklch(20.6% 0.051 244.7)

  • #261200

    #261200

    oklch(20.7% 0.047 63.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #00192D

    #00192D

    oklch(20.6% 0.051 244.7)

  • #001B22

    #001B22

    oklch(20.5% 0.037 217.2)

  • #11152F

    #11152F

    oklch(20.8% 0.052 274.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #00192D

    #00192D

    oklch(20.6% 0.051 244.7)

  • #2B0D06

    #2B0D06

    oklch(20.7% 0.052 35.4)

  • #1E1700

    #1E1700

    oklch(20.7% 0.042 94.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #00192D

    #00192D

    oklch(20.6% 0.051 244.7)

  • #2A0C14

    #2A0C14

    oklch(20.7% 0.051 6)

  • #121B00

    #121B00

    oklch(20.6% 0.052 124.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #00192D

    #00192D

    oklch(20.6% 0.051 244.7)

  • #250D21

    #250D21

    oklch(20.6% 0.052 334)

  • #261200

    #261200

    oklch(20.7% 0.047 63.8)

  • #001E0C

    #001E0C

    oklch(20.6% 0.052 154.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #00192D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #00192D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.