#FF5D3D
Closest named color: Tomato (#FF6347). oklch(68.8% 0.203 33.1), rgb(255, 93, 61).
Aa
Black text reads best on this color (6.88:1).
About this color
#FF5D3D is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.203 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.011 away. Black text reads best on it, at 6.88:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 6.88:1 |
| White text | 3.05:1 |
Values
| HEX | #FF5D3D |
| RGB | rgb(255, 93, 61) |
| HSL | hsl(10, 100%, 62%) |
| OKLCH | oklch(68.8% 0.203 33.1) |
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 #FF5D3D | 3.05:1 | AA large text | Lc -61.6 | Content text, not long reading |
| Black text on #FF5D3D | 6.88:1 | AA | Lc 47.8 | Large or bold text, headings |
| #FF5D3D text on white | 3.05:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #FF5D3D text on black | 6.88:1 | AA | Lc -45.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DC
oklch(93.7% 0.032 34.3)
-
Step 200
200
#FFCBBF
oklch(88.5% 0.062 33.2)
-
Step 300
300
#FFA693
oklch(80.9% 0.11 32.7)
-
Step 400
400 (this color)
#FF5D3D
oklch(68.8% 0.203 33.1)
-
Step 500
500
#F63400
oklch(63.1% 0.233 33)
-
Step 600
600
#D02B00
oklch(55.7% 0.205 33.2)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800
#911B00
oklch(42.6% 0.157 33.2)
-
Step 900
900
#7A1500
oklch(37.6% 0.138 33.2)
-
Step 950
950
#4C0900
oklch(27% 0.099 33.1)
#FF5D3D 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) | #8B7D38 | 0.209 |
| Deuteranopia (no green cones) | #B3A137 | 0.192 |
| Tritanopia (no blue cones) | #FF3157 | 0.076 |
| Achromatopsia (no color) | #949494 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF5D3D
#FF5D3D
oklch(68.8% 0.203 33.1)
- #00ADC7
#00ADC7
oklch(68.7% 0.12 213.4)
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 #FF5D3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.011
- Bright Orange #FF5B00 ΔE 0.028
- Grapefruit #FD5956 ΔE 0.029
- Orange Pant #FB5607 ΔE 0.029
- Orange Pink #FF6F52 ΔE 0.033
- Blood Orange #FE4B03 ΔE 0.034
- Pinkish Orange #FF724C ΔE 0.037
- Coral Pink #FF6163 ΔE 0.038
Use #FF5D3D 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.