#FB523D
Closest named color: Grapefruit (#FD5956). oklch(67% 0.209 30.4), rgb(251, 82, 61).
Aa
Black text reads best on this color (6.37:1).
About this color
#FB523D is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.209 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.025 away. Black text reads best on it, at 6.37:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #FB523D |
| RGB | rgb(251, 82, 61) |
| HSL | hsl(7, 96%, 61%) |
| OKLCH | oklch(67% 0.209 30.4) |
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 #FB523D | 3.29:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #FB523D | 6.37:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #FB523D text on white | 3.29:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #FB523D text on black | 6.37:1 | 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
#FFCBC1
oklch(88.5% 0.061 30.9)
-
Step 300
300
#FFA696
oklch(80.9% 0.109 30.7)
-
Step 400
400 (this color)
#FB523D
oklch(67% 0.209 30.4)
-
Step 500
500
#FD1B00
oklch(63.1% 0.25 30.4)
-
Step 600
600
#D61500
oklch(55.6% 0.221 30.4)
-
Step 700
700
#B51000
oklch(49% 0.195 30.4)
-
Step 800
800
#960B00
oklch(42.7% 0.17 30.3)
-
Step 900
900
#7E0800
oklch(37.6% 0.149 30.4)
-
Step 950
950
#4E0300
oklch(26.9% 0.107 30.4)
#FB523D 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) | #837639 | 0.219 |
| Deuteranopia (no green cones) | #AD9B36 | 0.200 |
| Tritanopia (no blue cones) | #FF194E | 0.069 |
| Achromatopsia (no color) | #8E8E8E | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FB523D
#FB523D
oklch(67% 0.209 30.4)
- #00A8BD
#00A8BD
oklch(67.1% 0.116 210.4)
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 #FB523D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.025
- Orangey Red #FA4224 ΔE 0.025
- Light Red #FF474C ΔE 0.026
- Blood Orange #FE4B03 ΔE 0.028
- Orangered #FE420F ΔE 0.029
- Orange Red #FF4500 ΔE 0.030
- Tomato #FF6347 ΔE 0.030
- Orange Pant #FB5607 ΔE 0.032
Use #FB523D 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.