#D03007
Closest named color: Sinopia (#BB3E03). oklch(56.1% 0.201 33.5), rgb(208, 48, 7).
Aa
White text reads best on this color (5.11:1).
About this color
#D03007 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.201 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.042 away. White text reads best on it, at 5.11:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #D03007 |
| RGB | rgb(208, 48, 7) |
| HSL | hsl(12, 93%, 42%) |
| OKLCH | oklch(56.1% 0.201 33.5) |
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 #D03007 | 5.11:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #D03007 | 4.10:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #D03007 text on white | 5.11:1 | AA | Lc 73.6 | Content text, not long reading |
| #D03007 text on black | 4.10:1 | AA large text | Lc -28.1 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F5AC9B
oklch(81% 0.09 33.6)
-
Step 400
400
#EC7B63
oklch(70.6% 0.145 33.2)
-
Step 500
500
#E35335
oklch(63.1% 0.185 33.5)
-
Step 600
600 (this color)
#D03007
oklch(56.1% 0.201 33.5)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911D01
oklch(42.8% 0.155 33.5)
-
Step 900
900
#74200F
oklch(37.7% 0.121 33.2)
-
Step 950
950
#44150B
oklch(27% 0.075 33.7)
#D03007 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) | #645700 | 0.211 |
| Deuteranopia (no green cones) | #8B7B00 | 0.190 |
| Tritanopia (no blue cones) | #E6002B | 0.055 |
| Achromatopsia (no color) | #6E6E6E | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D03007
#D03007
oklch(56.1% 0.201 33.5)
- #008397
#008397
oklch(56% 0.098 213.2)
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 #D03007, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.042
- Brick Orange #C14A09 ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.053
- Dull Red #BB3F3F ΔE 0.053
- Cherry #CF0234 ΔE 0.054
- Crimson #DC143C ΔE 0.054
- Tomato Red #EC2D01 ΔE 0.055
- Deep Orange #DC4D01 ΔE 0.055
Use #D03007 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.