#D40110
Closest named color: Cherry (#CF0234). oklch(54.7% 0.223 27.9), rgb(212, 1, 16).
Aa
White text reads best on this color (5.51:1).
About this color
#D40110 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.223 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.030 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.223) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.81:1 |
| White text | 5.51:1 |
Values
| HEX | #D40110 |
| RGB | rgb(212, 1, 16) |
| HSL | hsl(356, 99%, 42%) |
| OKLCH | oklch(54.7% 0.223 27.9) |
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 #D40110 | 5.51:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #D40110 | 3.81:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #D40110 text on white | 5.51:1 | AA | Lc 74.6 | Content text, not long reading |
| #D40110 text on black | 3.81:1 | AA large text | Lc -27.1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA89D
oklch(81% 0.1 27.8)
-
Step 400
400
#F47466
oklch(70.7% 0.16 28.1)
-
Step 500
500
#EC453B
oklch(63.2% 0.205 28)
-
Step 600
600 (this color)
#D40110
oklch(54.7% 0.223 27.9)
-
Step 700
700
#B8000C
oklch(49.2% 0.201 27.9)
-
Step 800
800
#97050A
oklch(42.7% 0.172 28)
-
Step 900
900
#791613
oklch(37.7% 0.134 27.7)
-
Step 950
950
#47100D
oklch(26.9% 0.084 27.4)
#D40110 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) | #594E09 | 0.246 |
| Deuteranopia (no green cones) | #877700 | 0.219 |
| Tritanopia (no blue cones) | #EA000F | 0.045 |
| Achromatopsia (no color) | #696969 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D40110
#D40110
oklch(54.7% 0.223 27.9)
- #007F8D
#007F8D
oklch(54.6% 0.094 208.3)
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 #D40110, closest first.
No curated palette has a color within ΔE 0.04 of #D40110.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.030
- Crimson #DC143C ΔE 0.039
- Scarlet #BE0119 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.049
- Ruby #CA0147 ΔE 0.057
- Lipstick #D5174E ΔE 0.057
- Rose Red #BE013C ΔE 0.062
- Tomato Red #EC2D01 ΔE 0.064
Use #D40110 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.