#D25831
Closest named color: Rusty Orange (#CD5909). oklch(61.1% 0.163 37.8), rgb(210, 88, 49).
Aa
Black text reads best on this color (5.18:1).
About this color
#D25831 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.163 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.026 away. Black text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #D25831 |
| RGB | rgb(210, 88, 49) |
| HSL | hsl(15, 64%, 51%) |
| OKLCH | oklch(61.1% 0.163 37.8) |
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 #D25831 | 4.05:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #D25831 | 5.18:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #D25831 text on white | 4.05:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #D25831 text on black | 5.18:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5D0C4
oklch(88.6% 0.045 38.8)
-
Step 300
300
#EFAF9C
oklch(80.9% 0.08 37.2)
-
Step 400
400
#E48264
oklch(70.7% 0.129 37.8)
-
Step 500
500 (this color)
#D25831
oklch(61.1% 0.163 37.8)
-
Step 600
600
#C5400B
oklch(55.7% 0.178 37.9)
-
Step 700
700
#A83200
oklch(49.1% 0.162 37.8)
-
Step 800
800
#892A04
oklch(42.7% 0.136 38.1)
-
Step 900
900
#6F2810
oklch(37.8% 0.107 38.1)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#D25831 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) | #7A6D2C | 0.162 |
| Deuteranopia (no green cones) | #98882D | 0.147 |
| Tritanopia (no blue cones) | #E73C50 | 0.072 |
| Achromatopsia (no color) | #7E7E7E | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D25831
#D25831
oklch(61.1% 0.163 37.8)
- #0093AF
#0093AF
oklch(61.2% 0.11 217.6)
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 #D25831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.026
- Terra Cotta #C9643B ΔE 0.026
- Deep Orange #DC4D01 ΔE 0.028
- Terracotta #CA6641 ΔE 0.029
- Terracota #CB6843 ΔE 0.032
- Pale Red #D9544D ΔE 0.035
- Rust Orange #C45508 ΔE 0.037
- Dark Coral #CF524E ΔE 0.038
Use #D25831 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.