#D03345
Closest named color: Crimson (#DC143C). oklch(56.9% 0.192 20), rgb(208, 51, 69).
Aa
White text reads best on this color (4.95:1).
About this color
#D03345 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.192 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.030 away. White text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.24:1 |
| White text | 4.95:1 |
Values
| HEX | #D03345 |
| RGB | rgb(208, 51, 69) |
| HSL | hsl(353, 63%, 51%) |
| OKLCH | oklch(56.9% 0.192 20) |
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 #D03345 | 4.95:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #D03345 | 4.24:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #D03345 text on white | 4.95:1 | AA | Lc 72.8 | Content text, not long reading |
| #D03345 text on black | 4.24:1 | AA large text | Lc -28.8 | 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
#FAE4E3
oklch(93.6% 0.024 20.7)
-
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
#EA7A7C
oklch(70.7% 0.138 20.1)
-
Step 500
500
#E0525B
oklch(63.1% 0.177 20.1)
-
Step 600
600 (this color)
#D03345
oklch(56.9% 0.192 20)
-
Step 700
700
#AF1D33
oklch(49% 0.179 20)
-
Step 800
800
#8E1D2B
oklch(42.7% 0.147 20)
-
Step 900
900
#722027
oklch(37.6% 0.115 19.9)
-
Step 950
950
#431417
oklch(26.9% 0.073 19.7)
#D03345 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) | #615B44 | 0.211 |
| Deuteranopia (no green cones) | #887C40 | 0.194 |
| Tritanopia (no blue cones) | #E4003B | 0.043 |
| Achromatopsia (no color) | #707070 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D03345
#D03345
oklch(56.9% 0.192 20)
- #00888D
#00888D
oklch(56.9% 0.097 199.4)
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 #D03345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.030
- Lipstick #D5174E ΔE 0.033
- Faded Red #D3494E ΔE 0.035
- Cherry #CF0234 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.043
- Ruby #CA0147 ΔE 0.046
- Imperial Red #E63946 ΔE 0.047
- Deep Rose #C74767 ΔE 0.047
Use #D03345 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.