#D03145
Closest named color: Crimson (#DC143C). oklch(56.7% 0.194 19.6), rgb(208, 49, 69).
Aa
White text reads best on this color (4.99:1).
About this color
#D03145 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.194 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.028 away. White text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #D03145 |
| RGB | rgb(208, 49, 69) |
| HSL | hsl(352, 63%, 50%) |
| OKLCH | oklch(56.7% 0.194 19.6) |
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 #D03145 | 4.99:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #D03145 | 4.20:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #D03145 text on white | 4.99:1 | AA | Lc 73.1 | Content text, not long reading |
| #D03145 text on black | 4.20:1 | AA large text | Lc -28.6 | 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
#FBE4E3
oklch(93.7% 0.025 20.6)
-
Step 200
200
#F8CDCC
oklch(88.5% 0.049 19.7)
-
Step 300
300
#F4AAAA
oklch(80.9% 0.088 19.1)
-
Step 400
400
#EB7A7D
oklch(70.8% 0.14 19.6)
-
Step 500
500
#E1515C
oklch(63.2% 0.179 19.5)
-
Step 600
600 (this color)
#D03145
oklch(56.7% 0.194 19.6)
-
Step 700
700
#B01C34
oklch(49.1% 0.18 19.5)
-
Step 800
800
#8F1C2B
oklch(42.8% 0.149 19.8)
-
Step 900
900
#731F27
oklch(37.7% 0.117 19.6)
-
Step 950
950
#441417
oklch(27.1% 0.074 19.9)
#D03145 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) | #605A45 | 0.213 |
| Deuteranopia (no green cones) | #887C40 | 0.196 |
| Tritanopia (no blue cones) | #E4003A | 0.042 |
| Achromatopsia (no color) | #6F6F6F | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D03145
#D03145
oklch(56.7% 0.194 19.6)
- #00878D
#00878D
oklch(56.7% 0.096 200.3)
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 #D03145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.028
- Lipstick #D5174E ΔE 0.030
- Cherry #CF0234 ΔE 0.035
- Faded Red #D3494E ΔE 0.037
- Dull Red #BB3F3F ΔE 0.043
- Ruby #CA0147 ΔE 0.044
- Deep Rose #C74767 ΔE 0.048
- Imperial Red #E63946 ΔE 0.048
Use #D03145 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.