#DA3817
Closest named color: Tomato Red (#EC2D01). oklch(58.6% 0.203 32.9), rgb(218, 56, 23).
Aa
White text reads best on this color (4.60:1).
About this color
#DA3817 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.203 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.034 away. White text reads best on it, at 4.60:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #DA3817 |
| RGB | rgb(218, 56, 23) |
| HSL | hsl(10, 81%, 47%) |
| OKLCH | oklch(58.6% 0.203 32.9) |
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 #DA3817 | 4.60:1 | AA | Lc -76.0 | Fine for body text |
| Black text on #DA3817 | 4.55:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #DA3817 text on white | 4.60:1 | AA | Lc 70.5 | Content text, not long reading |
| #DA3817 text on black | 4.55:1 | AA | Lc -31.2 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC4
oklch(88.6% 0.051 33.3)
-
Step 300
300
#F6AB9B
oklch(80.9% 0.092 32.5)
-
Step 400
400
#ED7B63
oklch(70.7% 0.146 33.1)
-
Step 500
500
#E45235
oklch(63.2% 0.187 33.2)
-
Step 600
600 (this color)
#DA3817
oklch(58.6% 0.203 32.9)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#911B02
oklch(42.6% 0.156 32.8)
-
Step 900
900
#751F0F
oklch(37.7% 0.123 32.7)
-
Step 950
950
#45140B
oklch(27% 0.078 32.5)
#DA3817 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) | #6B5E0E | 0.214 |
| Deuteranopia (no green cones) | #938206 | 0.193 |
| Tritanopia (no blue cones) | #F10033 | 0.059 |
| Achromatopsia (no color) | #757575 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA3817
#DA3817
oklch(58.6% 0.203 32.9)
- #008BA0
#008BA0
oklch(58.5% 0.102 213.2)
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 #DA3817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.034
- Deep Orange #DC4D01 ΔE 0.037
- Imperial Red #E63946 ΔE 0.047
- Faded Red #D3494E ΔE 0.048
- Vermillion #F4320C ΔE 0.050
- Dark Coral #CF524E ΔE 0.053
- Brick Orange #C14A09 ΔE 0.053
- Crimson #DC143C ΔE 0.053
Use #DA3817 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.