#D82A1A
Closest named color: Crimson (#DC143C). oklch(57.2% 0.21 30), rgb(216, 42, 26).
Aa
White text reads best on this color (4.92:1).
About this color
#D82A1A is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.210 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.039 away. White text reads best on it, at 4.92:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #D82A1A |
| RGB | rgb(216, 42, 26) |
| HSL | hsl(5, 79%, 47%) |
| OKLCH | oklch(57.2% 0.21 30) |
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 #D82A1A | 4.92:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #D82A1A | 4.26:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #D82A1A text on white | 4.92:1 | AA | Lc 72.3 | Content text, not long reading |
| #D82A1A text on black | 4.26:1 | AA large text | Lc -29.4 | 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 600.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F8AA9C
oklch(81% 0.095 30.5)
-
Step 400
400
#F07866
oklch(70.7% 0.151 30.1)
-
Step 500
500
#E74D3A
oklch(63.2% 0.193 30.3)
-
Step 600
600 (this color)
#D82A1A
oklch(57.2% 0.21 30)
-
Step 700
700
#B60E01
oklch(49.2% 0.196 30.1)
-
Step 800
800
#931409
oklch(42.6% 0.162 30)
-
Step 900
900
#761C12
oklch(37.6% 0.126 30.2)
-
Step 950
950
#46130C
oklch(27.1% 0.08 30.7)
#D82A1A 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) | #645814 | 0.226 |
| Deuteranopia (no green cones) | #8E7E0A | 0.205 |
| Tritanopia (no blue cones) | #EE0029 | 0.046 |
| Achromatopsia (no color) | #707070 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D82A1A
#D82A1A
oklch(57.2% 0.21 30)
- #008798
#008798
oklch(57.1% 0.099 210.2)
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 #D82A1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.039
- Tomato Red #EC2D01 ΔE 0.042
- Cherry #CF0234 ΔE 0.048
- Imperial Red #E63946 ΔE 0.050
- Faded Red #D3494E ΔE 0.052
- Red Pantone #EF233C ΔE 0.054
- Deep Orange #DC4D01 ΔE 0.056
- Vermillion #F4320C ΔE 0.059
Use #D82A1A 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.