#7A0103
Closest named color: Blood (#770001). oklch(36.5% 0.149 28.5), rgb(122, 1, 3).
Aa
White text reads best on this color (11.45:1).
About this color
#7A0103 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.149 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.007 away. White text reads best on it, at 11.45:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #7A0103 |
| RGB | rgb(122, 1, 3) |
| HSL | hsl(359, 98%, 24%) |
| OKLCH | oklch(36.5% 0.149 28.5) |
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 #7A0103 | 11.45:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #7A0103 | 1.83:1 | Fails | Lc 9.8 | Not readable |
| #7A0103 text on white | 11.45:1 | AAA | Lc 94.1 | Preferred for body text |
| #7A0103 text on black | 1.83:1 | Fails | Lc -8.5 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FC6D5D
oklch(70.7% 0.178 28.8)
-
Step 500
500
#F5342B
oklch(63.1% 0.228 28.5)
-
Step 600
600
#D90009
oklch(55.6% 0.228 28.5)
-
Step 700
700
#B80006
oklch(49.2% 0.201 28.5)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900 (this color)
#7A0103
oklch(36.5% 0.149 28.5)
-
Step 950
950
#4A0B08
oklch(26.9% 0.094 28.2)
#7A0103 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) | #302901 | 0.164 |
| Deuteranopia (no green cones) | #4C4200 | 0.144 |
| Tritanopia (no blue cones) | #870005 | 0.030 |
| Achromatopsia (no color) | #3A3A3A | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A0103
#7A0103
oklch(36.5% 0.149 28.5)
- #004750
#004750
oklch(36.4% 0.063 209.1)
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 #7A0103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.007
- Maroon #800000 ΔE 0.014
- Reddy Brown #6E1005 ΔE 0.026
- Wine Red #7B0323 ΔE 0.031
- Dark Red #8B0000 ΔE 0.039
- Bordeaux #7B002C ΔE 0.046
- Claret #680018 ΔE 0.047
- Chestnut #742802 ΔE 0.049
Use #7A0103 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.