#91313A
Closest named color: Auburn (#9B2226). oklch(45.6% 0.129 18.5), rgb(145, 49, 58).
Aa
White text reads best on this color (7.76:1).
About this color
#91313A is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.129 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.031 away. White text reads best on it, at 7.76:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #91313A |
| RGB | rgb(145, 49, 58) |
| HSL | hsl(354, 49%, 38%) |
| OKLCH | oklch(45.6% 0.129 18.5) |
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 #91313A | 7.76:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #91313A | 2.70:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #91313A text on white | 7.76:1 | AAA | Lc 86.1 | Fine for body text |
| #91313A text on black | 2.70:1 | Fails | Lc -15.9 | Dividers and decoration only |
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 800.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E4
oklch(93.5% 0.022 17.6)
-
Step 200
200
#F4CFCE
oklch(88.6% 0.042 19.8)
-
Step 300
300
#EEADAE
oklch(80.9% 0.077 17.9)
-
Step 400
400
#E28083
oklch(70.7% 0.121 18.7)
-
Step 500
500
#D65C64
oklch(63% 0.154 18.7)
-
Step 600
600
#C23D4C
oklch(55.6% 0.169 18.2)
-
Step 700
700
#A72E3D
oklch(49.1% 0.156 18.3)
-
Step 800
800 (this color)
#91313A
oklch(45.6% 0.129 18.5)
-
Step 900
900
#6D262C
oklch(37.6% 0.101 18.4)
-
Step 950
950
#40171A
oklch(26.9% 0.064 18)
#91313A 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) | #49463A | 0.141 |
| Deuteranopia (no green cones) | #615A38 | 0.130 |
| Tritanopia (no blue cones) | #9F1D35 | 0.035 |
| Achromatopsia (no color) | #525252 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91313A
#91313A
oklch(45.6% 0.129 18.5)
- #006467
#006467
oklch(45.7% 0.078 198.4)
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 #91313A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.043
- Brown #A52A2A ΔE 0.043
- Brick #A03623 ΔE 0.046
- Brown Red #922B05 ΔE 0.048
- Burnt Red #9F2305 ΔE 0.052
- Cranberry #9E003A ΔE 0.053
- Carmine #9D0216 ΔE 0.054
Use #91313A 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.