#D03740
Closest named color: Faded Red (#D3494E). oklch(57.2% 0.189 22.6), rgb(208, 55, 64).
Aa
White text reads best on this color (4.88:1).
About this color
#D03740 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.189 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.030 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.30:1 |
| White text | 4.88:1 |
Values
| HEX | #D03740 |
| RGB | rgb(208, 55, 64) |
| HSL | hsl(356, 62%, 52%) |
| OKLCH | oklch(57.2% 0.189 22.6) |
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 #D03740 | 4.88:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #D03740 | 4.30:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #D03740 text on white | 4.88:1 | AA | Lc 72.5 | Content text, not long reading |
| #D03740 text on black | 4.30:1 | AA large text | Lc -29.2 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CECB
oklch(88.6% 0.047 23)
-
Step 300
300
#F3ABA7
oklch(80.9% 0.085 22.7)
-
Step 400
400
#E97B79
oklch(70.6% 0.136 22.2)
-
Step 500
500
#DF5456
oklch(63.1% 0.174 22.7)
-
Step 600
600 (this color)
#D03740
oklch(57.2% 0.189 22.6)
-
Step 700
700
#AF212E
oklch(49.2% 0.176 22.5)
-
Step 800
800
#8E1F27
oklch(42.8% 0.146 22.5)
-
Step 900
900
#722124
oklch(37.7% 0.114 22.4)
-
Step 950
950
#431515
oklch(27% 0.072 23.2)
#D03740 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) | #635C3F | 0.207 |
| Deuteranopia (no green cones) | #8A7D3B | 0.189 |
| Tritanopia (no blue cones) | #E5003C | 0.048 |
| Achromatopsia (no color) | #717171 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D03740
#D03740
oklch(57.2% 0.189 22.6)
- #008891
#008891
oklch(57.1% 0.097 203)
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 #D03740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.030
- Crimson #DC143C ΔE 0.034
- Dull Red #BB3F3F ΔE 0.040
- Lipstick #D5174E ΔE 0.042
- Cherry #CF0234 ΔE 0.042
- Dark Coral #CF524E ΔE 0.043
- Imperial Red #E63946 ΔE 0.045
- Dusty Red #B9484E ΔE 0.047
Use #D03740 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.