#AD3941
Closest named color: Dull Red (#BB3F3F). oklch(51.4% 0.151 20.3), rgb(173, 57, 65).
Aa
White text reads best on this color (6.10:1).
About this color
#AD3941 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.151 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.033 away. White text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.43:1 |
| White text | 6.10:1 |
Values
| HEX | #AD3941 |
| RGB | rgb(173, 57, 65) |
| HSL | hsl(356, 50%, 45%) |
| OKLCH | oklch(51.4% 0.151 20.3) |
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 #AD3941 | 6.10:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #AD3941 | 3.43:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #AD3941 text on white | 6.10:1 | AA | Lc 79.6 | Fine for body text |
| #AD3941 text on black | 3.43:1 | AA large text | Lc -22.3 | 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 700.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F3CFCE
oklch(88.5% 0.041 19.8)
-
Step 300
300
#ECAEAD
oklch(80.8% 0.073 19.8)
-
Step 400
400
#E08282
oklch(70.8% 0.116 20.4)
-
Step 500
500
#D45E62
oklch(63% 0.149 20.3)
-
Step 600
600
#C04149
oklch(55.7% 0.162 20.6)
-
Step 700
700 (this color)
#AD3941
oklch(51.4% 0.151 20.3)
-
Step 800
800
#862A31
oklch(42.6% 0.125 19.9)
-
Step 900
900
#6C282B
oklch(37.7% 0.097 20.4)
-
Step 950
950
#401819
oklch(27% 0.063 20.7)
#AD3941 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) | #575240 | 0.164 |
| Deuteranopia (no green cones) | #756B3E | 0.151 |
| Tritanopia (no blue cones) | #BE1E3D | 0.042 |
| Achromatopsia (no color) | #626262 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD3941
#AD3941
oklch(51.4% 0.151 20.3)
- #00767B
#00767B
oklch(51.4% 0.087 200)
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 #AD3941, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.033
- Light Burgundy #A8415B ΔE 0.036
- Brown #A52A2A ΔE 0.038
- Light Maroon #A24857 ΔE 0.038
- Firebrick #B22222 ΔE 0.038
- Dusty Red #B9484E ΔE 0.041
- Brick #A03623 ΔE 0.044
- Dark Rose #B5485D ΔE 0.045
Use #AD3941 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.