#780310
Closest named color: Blood (#770001). oklch(36.2% 0.145 25), rgb(120, 3, 16).
Aa
White text reads best on this color (11.54:1).
About this color
#780310 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.145 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.011 away. White text reads best on it, at 11.54:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #780310 |
| RGB | rgb(120, 3, 16) |
| HSL | hsl(353, 95%, 24%) |
| OKLCH | oklch(36.2% 0.145 25) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #780310 | 11.54:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #780310 | 1.81:1 | Fails | Lc 9.5 | Not readable |
| #780310 text on white | 11.54:1 | AAA | Lc 94.4 | Preferred for body text |
| #780310 text on black | 1.81:1 | Fails | Lc -8.1 | 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.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2DF
oklch(93.5% 0.031 25)
-
Step 200
200
#FFCAC5
oklch(88.4% 0.061 24.6)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400
#FA6E67
oklch(70.8% 0.173 25.3)
-
Step 500
500
#F2373D
oklch(63% 0.222 25)
-
Step 600
600
#D80023
oklch(55.6% 0.225 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#970015
oklch(42.6% 0.173 25)
-
Step 900
900 (this color)
#780310
oklch(36.2% 0.145 25)
-
Step 950
950
#4A0C0D
oklch(27.1% 0.092 25.1)
#780310 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F2A0F | 0.160 |
| Deuteranopia (no green cones) | #4A4109 | 0.144 |
| Tritanopia (no blue cones) | #85000A | 0.029 |
| Achromatopsia (no color) | #393939 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #780310
#780310
oklch(36.2% 0.145 25)
- #00474D
#00474D
oklch(36.3% 0.062 204.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #780310, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.011
- Maroon #800000 ΔE 0.021
- Wine Red #7B0323 ΔE 0.023
- Reddy Brown #6E1005 ΔE 0.025
- Bordeaux #7B002C ΔE 0.037
- Claret #680018 ΔE 0.040
- Dark Red #8B0000 ΔE 0.044
- Chestnut #742802 ΔE 0.053
Use #780310 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.