#780315

Closest named color: Blood (#770001). oklch(36.3% 0.144 23), rgb(120, 3, 21).

Aa

White text reads best on this color (11.52:1).

About this color

#780315 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.144 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.016 away. White text reads best on it, at 11.52:1.

Hue familyReds
Lightnessdark (36%)
Chromavivid (0.144)
Temperaturewarm
Nearest nameBlood (#770001)
Black text1.82:1
White text11.52:1

Values

HEX#780315
RGBrgb(120, 3, 21)
HSLhsl(351, 95%, 24%)
OKLCHoklch(36.3% 0.144 23)

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 #780315 11.52:1 AAA Lc -98.4 Preferred for body text
Black text on #780315 1.82:1 Fails Lc 9.5 Not readable
#780315 text on white 11.52:1 AAA Lc 94.4 Preferred for body text
#780315 text on black 1.82:1 Fails Lc -8.2 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 900.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE2E0

    oklch(93.5% 0.031 22.6)

  3. Step 200

    200

    #FFCAC7

    oklch(88.5% 0.061 22.1)

  4. Step 300

    300

    #FFA5A0

    oklch(81% 0.108 23.2)

  5. Step 400

    400

    #FA6D6C

    oklch(70.7% 0.173 23)

  6. Step 500

    500

    #F23744

    oklch(63.1% 0.221 23.1)

  7. Step 600

    600

    #D8002C

    oklch(55.7% 0.225 23.1)

  8. Step 700

    700

    #B70024

    oklch(49.2% 0.198 23)

  9. Step 800

    800

    #97001C

    oklch(42.7% 0.172 22.9)

  10. Step 900

    900 (this color)

    #780315

    oklch(36.3% 0.144 23)

  11. Step 950

    950

    #4A0C0F

    oklch(27.1% 0.092 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#780315 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)#2F2A140.159
Deuteranopia (no green cones)#4A41100.143
Tritanopia (no blue cones)#85000C0.030
Achromatopsia (no color)#3939390.145

Harmonies

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

Complementary

The opposite hue (180°).

  • #780315

    #780315

    oklch(36.3% 0.144 23)

  • #00474C

    #00474C

    oklch(36.2% 0.062 202.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #780315

    #780315

    oklch(36.3% 0.144 23)

  • #710744

    #710744

    oklch(36.3% 0.144 353.3)

  • #622D00

    #622D00

    oklch(36.3% 0.092 52.9)

Open the analogous palette in the generator

Split complementary

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

  • #780315

    #780315

    oklch(36.3% 0.144 23)

  • #00493A

    #00493A

    oklch(36.1% 0.069 173.1)

  • #00445F

    #00445F

    oklch(36.4% 0.075 233.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #780315

    #780315

    oklch(36.3% 0.144 23)

  • #004D04

    #004D04

    oklch(36.4% 0.122 143.1)

  • #113688

    #113688

    oklch(36.4% 0.144 263)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #780315

    #780315

    oklch(36.3% 0.144 23)

  • #3E4200

    #3E4200

    oklch(36.3% 0.081 113.6)

  • #00474C

    #00474C

    oklch(36.2% 0.062 202.8)

  • #442681

    #442681

    oklch(36.3% 0.144 292.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #780315, closest first.

Similar named colors

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

Use #780315 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.