#F5582C
Closest named color: Orange Pant (#FB5607). oklch(66.5% 0.201 35.9), rgb(245, 88, 44).
Aa
Black text reads best on this color (6.31:1).
About this color
#F5582C is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.201 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.017 away. Black text reads best on it, at 6.31:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #F5582C |
| RGB | rgb(245, 88, 44) |
| HSL | hsl(13, 91%, 57%) |
| OKLCH | oklch(66.5% 0.201 35.9) |
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 #F5582C | 3.32:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #F5582C | 6.31:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #F5582C text on white | 3.32:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #F5582C text on black | 6.31:1 | AA | Lc -42.1 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC1
oklch(88.5% 0.055 35)
-
Step 300
300
#F9AA95
oklch(80.9% 0.098 35.5)
-
Step 400
400
#F17858
oklch(70.7% 0.156 35.8)
-
Step 500
500 (this color)
#F5582C
oklch(66.5% 0.201 35.9)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2300
oklch(42.6% 0.147 35.8)
-
Step 900
900
#771C00
oklch(37.7% 0.13 35.8)
-
Step 950
950
#461205
oklch(26.9% 0.083 35.4)
#F5582C 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) | #867725 | 0.204 |
| Deuteranopia (no green cones) | #AC9A24 | 0.186 |
| Tritanopia (no blue cones) | #FF2A50 | 0.078 |
| Achromatopsia (no color) | #8D8D8D | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F5582C
#F5582C
oklch(66.5% 0.201 35.9)
- #00A5C2
#00A5C2
oklch(66.5% 0.118 216.2)
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 #F5582C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.017
- Blood Orange #FE4B03 ΔE 0.024
- Bright Orange #FF5B00 ΔE 0.027
- Orange Red #FF4500 ΔE 0.029
- Orangered #FE420F ΔE 0.031
- Orangey Red #FA4224 ΔE 0.031
- Tomato #FF6347 ΔE 0.034
- Red Orange #FD3C06 ΔE 0.037
Use #F5582C 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.