#D13243
Closest named color: Crimson (#DC143C). oklch(57% 0.194 20.6), rgb(209, 50, 67).
Aa
White text reads best on this color (4.94:1).
About this color
#D13243 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.194 and its hue 21°. 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 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #D13243 |
| RGB | rgb(209, 50, 67) |
| HSL | hsl(354, 63%, 51%) |
| OKLCH | oklch(57% 0.194 20.6) |
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 #D13243 | 4.94:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #D13243 | 4.24:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #D13243 text on white | 4.94:1 | AA | Lc 72.8 | Content text, not long reading |
| #D13243 text on black | 4.24:1 | AA large text | Lc -28.9 | 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
#F4AAA9
oklch(80.8% 0.088 20)
-
Step 400
400
#EB7A7B
oklch(70.8% 0.14 20.7)
-
Step 500
500
#E15159
oklch(63.1% 0.179 20.7)
-
Step 600
600 (this color)
#D13243
oklch(57% 0.194 20.6)
-
Step 700
700
#B01C31
oklch(49.1% 0.18 20.7)
-
Step 800
800
#8F1C29
oklch(42.7% 0.149 20.8)
-
Step 900
900
#731F26
oklch(37.7% 0.117 20.3)
-
Step 950
950
#441416
oklch(27% 0.074 21.1)
#D13243 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) | #615B42 | 0.213 |
| Deuteranopia (no green cones) | #897C3E | 0.194 |
| Tritanopia (no blue cones) | #E6003A | 0.044 |
| Achromatopsia (no color) | #707070 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D13243
#D13243
oklch(57% 0.194 20.6)
- #00888E
#00888E
oklch(57% 0.097 200.3)
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 #D13243, 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 0.033
- Faded Red #D3494E ΔE 0.035
- Cherry #CF0234 ΔE 0.036
- Dull Red #BB3F3F ΔE 0.044
- Imperial Red #E63946 ΔE 0.045
- Ruby #CA0147 ΔE 0.047
- Dark Coral #CF524E ΔE 0.049
Use #D13243 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.