#D83506
Closest named color: Tomato Red (#EC2D01). oklch(57.9% 0.205 34.1), rgb(216, 53, 6).
Aa
White text reads best on this color (4.73:1).
About this color
#D83506 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.205 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.038 away. White text reads best on it, at 4.73:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #D83506 |
| RGB | rgb(216, 53, 6) |
| HSL | hsl(13, 95%, 44%) |
| OKLCH | oklch(57.9% 0.205 34.1) |
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 #D83506 | 4.73:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #D83506 | 4.43:1 | AA large text | Lc 32.8 | Non-text elements, placeholder text |
| #D83506 text on white | 4.73:1 | AA | Lc 71.3 | Content text, not long reading |
| #D83506 text on black | 4.43:1 | AA large text | Lc -30.4 | Non-text elements, placeholder text |
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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC3
oklch(88.5% 0.051 34.7)
-
Step 300
300
#F6AB99
oklch(80.9% 0.093 34)
-
Step 400
400
#ED7B60
oklch(70.7% 0.147 34.5)
-
Step 500
500
#E45130
oklch(63% 0.189 34.1)
-
Step 600
600 (this color)
#D83506
oklch(57.9% 0.205 34.1)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#751F0B
oklch(37.7% 0.123 34)
-
Step 950
950
#451409
oklch(27% 0.078 34.2)
#D83506 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) | #695C00 | 0.215 |
| Deuteranopia (no green cones) | #918000 | 0.192 |
| Tritanopia (no blue cones) | #EF002F | 0.060 |
| Achromatopsia (no color) | #737373 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D83506
#D83506
oklch(57.9% 0.205 34.1)
- #00899F
#00899F
oklch(57.9% 0.102 214.2)
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 #D83506, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.040
- Brick Orange #C14A09 ΔE 0.050
- Faded Red #D3494E ΔE 0.054
- Imperial Red #E63946 ΔE 0.054
- Vermillion #F4320C ΔE 0.055
- Crimson #DC143C ΔE 0.055
- Burnt Orange #C04E01 ΔE 0.056
Use #D83506 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.