#FF4C38
Closest named color: Orangey Red (#FA4224). oklch(67% 0.218 30.1), rgb(255, 76, 56).
Aa
Black text reads best on this color (6.34:1).
About this color
#FF4C38 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.218 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.021 away. Black text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 6.34:1 |
| White text | 3.31:1 |
Values
| HEX | #FF4C38 |
| RGB | rgb(255, 76, 56) |
| HSL | hsl(6, 100%, 61%) |
| OKLCH | oklch(67% 0.218 30.1) |
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 #FF4C38 | 3.31:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #FF4C38 | 6.34:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #FF4C38 text on white | 3.31:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #FF4C38 text on black | 6.34:1 | AA | Lc -42.6 | 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 400.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DD
oklch(93.5% 0.033 29.4)
-
Step 200
200
#FFCBC2
oklch(88.5% 0.061 29.7)
-
Step 300
300
#FFA697
oklch(81% 0.108 30.1)
-
Step 400
400 (this color)
#FF4C38
oklch(67% 0.218 30.1)
-
Step 500
500
#FE1700
oklch(63.1% 0.252 30.1)
-
Step 600
600
#D71200
oklch(55.7% 0.222 30.1)
-
Step 700
700
#B60D00
oklch(49.1% 0.196 30.1)
-
Step 800
800
#960900
oklch(42.6% 0.17 30.1)
-
Step 900
900
#7F0600
oklch(37.7% 0.151 30.1)
-
Step 950
950
#4F0200
oklch(27% 0.108 30)
#FF4C38 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) | #817434 | 0.231 |
| Deuteranopia (no green cones) | #AD9C30 | 0.212 |
| Tritanopia (no blue cones) | #FF0049 | 0.069 |
| Achromatopsia (no color) | #8D8D8D | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF4C38
#FF4C38
oklch(67% 0.218 30.1)
- #00A8BC
#00A8BC
oklch(67% 0.116 209.7)
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 #FF4C38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.021
- Light Red #FF474C ΔE 0.023
- Orangered #FE420F ΔE 0.023
- Orange Red #FF4500 ΔE 0.025
- Blood Orange #FE4B03 ΔE 0.026
- Red Orange #FD3C06 ΔE 0.029
- Grapefruit #FD5956 ΔE 0.029
- Orange Pant #FB5607 ΔE 0.034
Use #FF4C38 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.