#F1583B
Closest named color: Orange Pant (#FB5607). oklch(66% 0.194 32.8), rgb(241, 88, 59).
Aa
Black text reads best on this color (6.19:1).
About this color
#F1583B is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.194 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.031 away. Black text reads best on it, at 6.19:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #F1583B |
| RGB | rgb(241, 88, 59) |
| HSL | hsl(10, 87%, 59%) |
| OKLCH | oklch(66% 0.194 32.8) |
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 #F1583B | 3.38:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #F1583B | 6.19:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #F1583B text on white | 3.38:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #F1583B text on black | 6.19:1 | AA | Lc -41.4 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC3
oklch(88.5% 0.053 32.7)
-
Step 300
300
#F7AA99
oklch(80.8% 0.095 32.9)
-
Step 400
400
#F07961
oklch(70.8% 0.152 32.8)
-
Step 500
500 (this color)
#F1583B
oklch(66% 0.194 32.8)
-
Step 600
600
#D02900
oklch(55.5% 0.206 32.8)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921900
oklch(42.7% 0.159 32.7)
-
Step 900
900
#761D0C
oklch(37.7% 0.126 32.8)
-
Step 950
950
#461309
oklch(27.1% 0.081 33.1)
#F1583B 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) | #837637 | 0.200 |
| Deuteranopia (no green cones) | #A99835 | 0.183 |
| Tritanopia (no blue cones) | #FF2F52 | 0.068 |
| Achromatopsia (no color) | #8B8B8B | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F1583B
#F1583B
oklch(66% 0.194 32.8)
- #00A4BC
#00A4BC
oklch(66% 0.115 212.9)
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 #F1583B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.031
- Orangey Red #FA4224 ΔE 0.032
- Blood Orange #FE4B03 ΔE 0.033
- Grapefruit #FD5956 ΔE 0.036
- Tomato #FF6347 ΔE 0.036
- Orangered #FE420F ΔE 0.037
- Orange Red #FF4500 ΔE 0.037
- Bright Orange #FF5B00 ΔE 0.040
Use #F1583B 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.