#FB6529
Closest named color: Bright Orange (#FF5B00). oklch(69% 0.196 39.9), rgb(251, 101, 41).
Aa
Black text reads best on this color (6.99:1).
About this color
#FB6529 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.196 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Orange (#FF5B00), ΔE 0.018 away. Black text reads best on it, at 6.99:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Bright Orange (#FF5B00) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #FB6529 |
| RGB | rgb(251, 101, 41) |
| HSL | hsl(17, 96%, 57%) |
| OKLCH | oklch(69% 0.196 39.9) |
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 #FB6529 | 3.00:1 | AA large text | Lc -61.1 | Content text, not long reading |
| Black text on #FB6529 | 6.99:1 | AA | Lc 48.3 | Large or bold text, headings |
| #FB6529 text on white | 3.00:1 | AA large text | Lc 55.8 | Large or bold text, headings |
| #FB6529 text on black | 6.99:1 | AA | 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
#FFF2EE
oklch(97% 0.015 37.9)
-
Step 100
100
#FFE3D9
oklch(93.6% 0.034 40.7)
-
Step 200
200
#FFCCBA
oklch(88.5% 0.063 40.3)
-
Step 300
300
#FFA789
oklch(80.8% 0.113 39.6)
-
Step 400
400 (this color)
#FB6529
oklch(69% 0.196 39.9)
-
Step 500
500
#E75000
oklch(63.2% 0.199 39.9)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#732300
oklch(37.7% 0.119 39.6)
-
Step 950
950
#471200
oklch(27% 0.086 39.4)
#FB6529 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) | #90801E | 0.193 |
| Deuteranopia (no green cones) | #B5A122 | 0.174 |
| Tritanopia (no blue cones) | #FF3E5A | 0.088 |
| Achromatopsia (no color) | #959595 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FB6529
#FB6529
oklch(69% 0.196 39.9)
- #00ACD1
#00ACD1
oklch(68.9% 0.126 220.5)
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 #FB6529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Orange #FF5B00 ΔE 0.018
- Orange Pant #FB5607 ΔE 0.025
- Tomato #FF6347 ΔE 0.027
- Pinkish Orange #FF724C ΔE 0.033
- Orange Pink #FF6F52 ΔE 0.035
- Blood Orange #FE4B03 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.044
- Melon #FF7855 ΔE 0.045
Use #FB6529 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.