#FD1520
Closest named color: Bright Red (#FF000D). oklch(63% 0.25 27.4), rgb(253, 21, 32).
Aa
Black text reads best on this color (5.30:1).
About this color
#FD1520 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.250 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Red (#FF000D), ΔE 0.008 away. Black text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.250) |
| Temperature | warm |
| Nearest name | Bright Red (#FF000D) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #FD1520 |
| RGB | rgb(253, 21, 32) |
| HSL | hsl(357, 98%, 54%) |
| OKLCH | oklch(63% 0.25 27.4) |
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 #FD1520 | 3.95:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #FD1520 | 5.30:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #FD1520 text on white | 3.95:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #FD1520 text on black | 5.30:1 | AA | Lc -37.3 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA59A
oklch(80.9% 0.109 27.3)
-
Step 400
400
#FF695D
oklch(70.7% 0.185 27.4)
-
Step 500
500 (this color)
#FD1520
oklch(63% 0.25 27.4)
-
Step 600
600
#D90014
oklch(55.7% 0.227 27.4)
-
Step 700
700
#B7000F
oklch(49% 0.2 27.4)
-
Step 800
800
#98000B
oklch(42.7% 0.174 27.3)
-
Step 900
900
#800007
oklch(37.7% 0.154 27.5)
-
Step 950
950
#4D0505
oklch(26.9% 0.103 27.7)
#FD1520 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) | #6E611B | 0.274 |
| Deuteranopia (no green cones) | #A39009 | 0.246 |
| Tritanopia (no blue cones) | #FF0020 | 0.007 |
| Achromatopsia (no color) | #808080 | 0.252 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FD1520
#FD1520
oklch(63% 0.25 27.4)
- #009BAA
#009BAA
oklch(63% 0.108 206.9)
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 #FD1520, closest first.
No curated palette has a color within ΔE 0.04 of #FD1520.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Red #FF000D ΔE 0.008
- Fire Engine Red #FE0002 ΔE 0.011
- Red #FF0000 ΔE 0.011
- Cherry Red #F7022A ΔE 0.018
- Neon Red #FF073A ΔE 0.022
- Strawberry #FB2943 ΔE 0.027
- Vermillion #F4320C ΔE 0.028
- Pinky Red #FC2647 ΔE 0.031
Use #FD1520 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.