#FF3B38
Closest named color: Light Red (#FF474C). oklch(65.5% 0.231 27.1), rgb(255, 59, 56).
Aa
Black text reads best on this color (5.93:1).
About this color
#FF3B38 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.231 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Light Red (#FF474C), ΔE 0.020 away. Black text reads best on it, at 5.93:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.231) |
| Temperature | warm |
| Nearest name | Light Red (#FF474C) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #FF3B38 |
| RGB | rgb(255, 59, 56) |
| HSL | hsl(1, 100%, 61%) |
| OKLCH | oklch(65.5% 0.231 27.1) |
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 #FF3B38 | 3.53:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #FF3B38 | 5.93:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #FF3B38 text on white | 3.53:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #FF3B38 text on black | 5.93:1 | AA | Lc -40.4 | 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 500.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC4
oklch(88.6% 0.06 27.2)
-
Step 300
300
#FFA59B
oklch(80.9% 0.108 26.6)
-
Step 400
400
#FD6B60
oklch(70.7% 0.181 27)
-
Step 500
500 (this color)
#FF3B38
oklch(65.5% 0.231 27.1)
-
Step 600
600
#D90017
oklch(55.7% 0.227 27)
-
Step 700
700
#B70012
oklch(49% 0.2 27)
-
Step 800
800
#98000C
oklch(42.7% 0.174 27.2)
-
Step 900
900
#7F040B
oklch(37.7% 0.151 27)
-
Step 950
950
#4B0A09
oklch(27% 0.096 27.1)
#FF3B38 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) | #796D35 | 0.249 |
| Deuteranopia (no green cones) | #A9972F | 0.227 |
| Tritanopia (no blue cones) | #FF003D | 0.040 |
| Achromatopsia (no color) | #888888 | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF3B38
#FF3B38
oklch(65.5% 0.231 27.1)
- #00A3B3
#00A3B3
oklch(65.4% 0.112 207.1)
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 #FF3B38, closest first.
No curated palette has a color within ΔE 0.04 of #FF3B38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Red #FF474C ΔE 0.020
- Orangey Red #FA4224 ΔE 0.021
- Red Orange #FD3C06 ΔE 0.027
- Strawberry #FB2943 ΔE 0.027
- Orangered #FE420F ΔE 0.028
- Pinky Red #FC2647 ΔE 0.032
- Watermelon #FD4659 ΔE 0.032
- Orange Red #FF4500 ΔE 0.034
Use #FF3B38 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.