#212E45

Closest named color: Space Cadet (#2B2D42). oklch(30.1% 0.046 261.4), rgb(33, 46, 69).

Aa

White text reads best on this color (13.62:1).

About this color

#212E45 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.046 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.016 away. White text reads best on it, at 13.62:1.

Hue familyBlues
Lightnessdark (30%)
Chromamuted (0.046)
Temperaturecool
Nearest nameSpace Cadet (#2B2D42)
Black text1.54:1
White text13.62:1

Values

HEX#212E45
RGBrgb(33, 46, 69)
HSLhsl(218, 35%, 20%)
OKLCHoklch(30.1% 0.046 261.4)

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 #212E45 13.62:1 AAA Lc -103.2 Preferred for body text
Black text on #212E45 1.54:1 Fails Lc 0.0 Not readable
#212E45 text on white 13.62:1 AAA Lc 100.1 Preferred for body text
#212E45 text on black 1.54:1 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

    #F3F6FA

    oklch(97.2% 0.006 255.5)

  2. Step 100

    100

    #E4EAF5

    oklch(93.6% 0.016 262.8)

  3. Step 200

    200

    #CEDAEE

    oklch(88.5% 0.03 260.7)

  4. Step 300

    300

    #ADC2E4

    oklch(81% 0.053 260)

  5. Step 400

    400

    #82A1D7

    oklch(70.6% 0.087 261.3)

  6. Step 500

    500

    #6389CC

    oklch(63.1% 0.11 261.2)

  7. Step 600

    600

    #4A72B9

    oklch(55.6% 0.12 261.1)

  8. Step 700

    700

    #3B5F9F

    oklch(49% 0.111 261.1)

  9. Step 800

    800

    #314E81

    oklch(42.7% 0.092 261)

  10. Step 900

    900

    #2B4168

    oklch(37.7% 0.073 261.2)

  11. Step 950

    950 (this color)

    #212E45

    oklch(30.1% 0.046 261.4)

Export this scale for Tailwind in the Tailwind colors tool

#212E45 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)#2530460.009
Deuteranopia (no green cones)#212C440.007
Tritanopia (no blue cones)#1333360.041
Achromatopsia (no color)#2E2E2E0.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #212E45

    #212E45

    oklch(30.1% 0.046 261.4)

  • #3A2C11

    #3A2C11

    oklch(30.3% 0.046 81.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #212E45

    #212E45

    oklch(30.1% 0.046 261.4)

  • #123241

    #123241

    oklch(30.1% 0.046 231.4)

  • #2E2A43

    #2E2A43

    oklch(30.1% 0.045 290.8)

Open the analogous palette in the generator

Split complementary

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

  • #212E45

    #212E45

    oklch(30.1% 0.046 261.4)

  • #402718

    #402718

    oklch(30% 0.045 51.2)

  • #2F3014

    #2F3014

    oklch(30.1% 0.045 110.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #212E45

    #212E45

    oklch(30.1% 0.046 261.4)

  • #422424

    #422424

    oklch(30% 0.046 20.1)

  • #21341E

    #21341E

    oklch(30.2% 0.046 141.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #212E45

    #212E45

    oklch(30.1% 0.046 261.4)

  • #402431

    #402431

    oklch(30.1% 0.047 351)

  • #3A2C11

    #3A2C11

    oklch(30.3% 0.046 81.9)

  • #11352B

    #11352B

    oklch(29.9% 0.045 172)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #212E45, closest first.

Similar named colors

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

Use #212E45 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.