#751603
Closest named color: Reddy Brown (#6E1005). oklch(36.7% 0.132 33), rgb(117, 22, 3).
Aa
White text reads best on this color (11.21:1).
About this color
#751603 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.132 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 11.21:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #751603 |
| RGB | rgb(117, 22, 3) |
| HSL | hsl(10, 95%, 24%) |
| OKLCH | oklch(36.7% 0.132 33) |
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 #751603 | 11.21:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #751603 | 1.87:1 | Fails | Lc 9.4 | Not readable |
| #751603 text on white | 11.21:1 | AAA | Lc 94.5 | Preferred for body text |
| #751603 text on black | 1.87:1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DE
oklch(93.5% 0.028 31.1)
-
Step 200
200
#FBCDC2
oklch(88.5% 0.055 33.7)
-
Step 300
300
#FAA997
oklch(80.9% 0.1 33.1)
-
Step 400
400
#F3765D
oklch(70.7% 0.159 32.8)
-
Step 500
500
#EA492A
oklch(63.1% 0.203 32.9)
-
Step 600
600
#D02A00
oklch(55.6% 0.205 33)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900 (this color)
#751603
oklch(36.7% 0.132 33)
-
Step 950
950
#471207
oklch(27.1% 0.083 33.7)
#751603 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) | #352D00 | 0.140 |
| Deuteranopia (no green cones) | #4C4200 | 0.124 |
| Tritanopia (no blue cones) | #820013 | 0.035 |
| Achromatopsia (no color) | #3B3B3B | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #751603
#751603
oklch(36.7% 0.132 33)
- #004853
#004853
oklch(36.9% 0.064 212)
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 #751603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.020
- Blood #770001 ΔE 0.020
- Maroon #800000 ΔE 0.026
- Chestnut #742802 ΔE 0.031
- Wine Red #7B0323 ΔE 0.042
- Dark Red #8B0000 ΔE 0.047
- Claret #680018 ΔE 0.051
- Bordeaux #7B002C ΔE 0.056
Use #751603 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.