#D23300
Closest named color: Brick Orange (#C14A09). oklch(56.7% 0.201 34.5), rgb(210, 51, 0).
Aa
White text reads best on this color (4.98:1).
About this color
#D23300 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.201 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.043 away. White text reads best on it, at 4.98:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #D23300 |
| RGB | rgb(210, 51, 0) |
| HSL | hsl(15, 100%, 41%) |
| OKLCH | oklch(56.7% 0.201 34.5) |
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 #D23300 | 4.98:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #D23300 | 4.21:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #D23300 text on white | 4.98:1 | AA | Lc 72.9 | Content text, not long reading |
| #D23300 text on black | 4.21:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F5AC9A
oklch(81% 0.09 34.4)
-
Step 400
400
#EC7C61
oklch(70.7% 0.144 34.7)
-
Step 500
500
#E35332
oklch(63.1% 0.186 34.3)
-
Step 600
600 (this color)
#D23300
oklch(56.7% 0.201 34.5)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F2000
oklch(42.7% 0.151 34.7)
-
Step 900
900
#74200C
oklch(37.6% 0.121 34.3)
-
Step 950
950
#44150A
oklch(27% 0.075 34.5)
#D23300 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) | #665900 | 0.210 |
| Deuteranopia (no green cones) | #8D7C00 | 0.187 |
| Tritanopia (no blue cones) | #E8002D | 0.059 |
| Achromatopsia (no color) | #707070 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D23300
#D23300
oklch(56.7% 0.201 34.5)
- #00859B
#00859B
oklch(56.7% 0.1 214.7)
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 #D23300, closest first.
No curated palette has a color within ΔE 0.04 of #D23300.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.043
- Sinopia #BB3E03 ΔE 0.045
- Deep Orange #DC4D01 ΔE 0.049
- Burnt Orange #C04E01 ΔE 0.050
- Tomato Red #EC2D01 ΔE 0.051
- Dull Red #BB3F3F ΔE 0.057
- Crimson #DC143C ΔE 0.057
- Rust Orange #C45508 ΔE 0.058
Use #D23300 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.