#D23123
Closest named color: Crimson (#DC143C). oklch(56.7% 0.199 29.6), rgb(210, 49, 35).
Aa
White text reads best on this color (4.99:1).
About this color
#D23123 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.199 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.042 away. White text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #D23123 |
| RGB | rgb(210, 49, 35) |
| HSL | hsl(5, 71%, 48%) |
| OKLCH | oklch(56.7% 0.199 29.6) |
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 #D23123 | 4.99:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #D23123 | 4.20:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #D23123 text on white | 4.99:1 | AA | Lc 73.0 | Content text, not long reading |
| #D23123 text on black | 4.20:1 | AA large text | Lc -28.7 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F8CEC6
oklch(88.5% 0.049 30.7)
-
Step 300
300
#F5AB9F
oklch(80.9% 0.09 29.4)
-
Step 400
400
#EC7B6A
oklch(70.7% 0.143 29.9)
-
Step 500
500
#E35241
oklch(63.2% 0.183 29.7)
-
Step 600
600 (this color)
#D23123
oklch(56.7% 0.199 29.6)
-
Step 700
700
#B21C11
oklch(49.1% 0.185 29.7)
-
Step 800
800
#901C12
oklch(42.6% 0.153 29.7)
-
Step 900
900
#742017
oklch(37.8% 0.119 29.7)
-
Step 950
950
#44140E
oklch(26.9% 0.076 29.9)
#D23123 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) | #64591F | 0.213 |
| Deuteranopia (no green cones) | #8B7C19 | 0.194 |
| Tritanopia (no blue cones) | #E80030 | 0.050 |
| Achromatopsia (no color) | #6F6F6F | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D23123
#D23123
oklch(56.7% 0.199 29.6)
- #008696
#008696
oklch(56.8% 0.098 209.4)
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 #D23123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.042
- Cherry #CF0234 ΔE 0.046
- Faded Red #D3494E ΔE 0.047
- Dull Red #BB3F3F ΔE 0.048
- Sinopia #BB3E03 ΔE 0.051
- Tomato Red #EC2D01 ΔE 0.052
- Brick Orange #C14A09 ΔE 0.052
- Imperial Red #E63946 ΔE 0.053
Use #D23123 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.