#F36B53
Closest named color: Burnt Sienna (#E76F51). oklch(69% 0.172 31.9), rgb(243, 107, 83).
Aa
Black text reads best on this color (7.03:1).
About this color
#F36B53 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.172 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 7.03:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #F36B53 |
| RGB | rgb(243, 107, 83) |
| HSL | hsl(9, 87%, 64%) |
| OKLCH | oklch(69% 0.172 31.9) |
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 #F36B53 | 2.98:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #F36B53 | 7.03:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #F36B53 text on white | 2.98:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #F36B53 text on black | 7.03:1 | AAA | Lc -46.0 | 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
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECBC1
oklch(88.4% 0.06 31.1)
-
Step 300
300
#FEA695
oklch(80.8% 0.108 31.5)
-
Step 400
400 (this color)
#F36B53
oklch(69% 0.172 31.9)
-
Step 500
500
#F13D1F
oklch(63% 0.22 32)
-
Step 600
600
#D22300
oklch(55.5% 0.211 31.9)
-
Step 700
700
#B21C00
oklch(49.1% 0.187 31.9)
-
Step 800
800
#931500
oklch(42.6% 0.162 31.8)
-
Step 900
900
#7C1000
oklch(37.7% 0.143 31.8)
-
Step 950
950
#490E05
oklch(27% 0.09 32.2)
#F36B53 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) | #8F8350 | 0.176 |
| Deuteranopia (no green cones) | #B0A150 | 0.164 |
| Tritanopia (no blue cones) | #FF5066 | 0.061 |
| Achromatopsia (no color) | #959595 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F36B53
#F36B53
oklch(69% 0.172 31.9)
- #00AEC6
#00AEC6
oklch(68.9% 0.12 211.9)
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 #F36B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.022
- Tomato #FF6347 ΔE 0.024
- Orange Pink #FF6F52 ΔE 0.025
- Pinkish Orange #FF724C ΔE 0.030
- Coral Pink #FF6163 ΔE 0.036
- Grapefruit #FD5956 ΔE 0.036
- Melon #FF7855 ΔE 0.037
- Dark Peach #DE7E5D ΔE 0.049
Use #F36B53 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.