#AD2C29
Closest named color: Firebrick (#B22222). oklch(49.7% 0.166 26.7), rgb(173, 44, 41).
Aa
White text reads best on this color (6.62:1).
About this color
#AD2C29 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.166 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.013 away. White text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #AD2C29 |
| RGB | rgb(173, 44, 41) |
| HSL | hsl(1, 62%, 42%) |
| OKLCH | oklch(49.7% 0.166 26.7) |
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 #AD2C29 | 6.62:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #AD2C29 | 3.16:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #AD2C29 text on white | 6.62:1 | AA | Lc 81.5 | Fine for body text |
| #AD2C29 text on black | 3.16:1 | AA large text | Lc -20.4 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F6CFCA
oklch(88.6% 0.045 26.6)
-
Step 300
300
#F0ADA5
oklch(80.9% 0.08 26.6)
-
Step 400
400
#E67F75
oklch(70.8% 0.129 26.6)
-
Step 500
500
#DB5A51
oklch(63.2% 0.164 26.8)
-
Step 600
600
#C63935
oklch(55.5% 0.179 26.5)
-
Step 700
700 (this color)
#AD2C29
oklch(49.7% 0.166 26.7)
-
Step 800
800
#8B2522
oklch(42.7% 0.138 26.6)
-
Step 900
900
#702520
oklch(37.8% 0.107 27.2)
-
Step 950
950
#421714
oklch(27.1% 0.068 26.5)
#AD2C29 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) | #534B27 | 0.178 |
| Deuteranopia (no green cones) | #736724 | 0.163 |
| Tritanopia (no blue cones) | #BF002D | 0.044 |
| Achromatopsia (no color) | #5D5D5D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD2C29
#AD2C29
oklch(49.7% 0.166 26.7)
- #00707B
#00707B
oklch(49.8% 0.085 206.7)
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 #AD2C29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.013
- Brown #A52A2A ΔE 0.018
- Rufous #AE2012 ΔE 0.019
- Rusty Red #AF2F0D ΔE 0.023
- Rust Red #AA2704 ΔE 0.025
- Brick #A03623 ΔE 0.030
- Scarlet #BE0119 ΔE 0.039
- Burnt Red #9F2305 ΔE 0.042
Use #AD2C29 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.