#FD1437
Closest named color: Neon Red (#FF073A). oklch(63.1% 0.249 23.4), rgb(253, 20, 55).
Aa
Black text reads best on this color (5.33:1).
About this color
#FD1437 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.249 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Neon Red (#FF073A), ΔE 0.006 away. Black text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.249) |
| Temperature | warm |
| Nearest name | Neon Red (#FF073A) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #FD1437 |
| RGB | rgb(253, 20, 55) |
| HSL | hsl(351, 98%, 54%) |
| OKLCH | oklch(63.1% 0.249 23.4) |
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 #FD1437 | 3.93:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #FD1437 | 5.33:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #FD1437 text on white | 3.93:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #FD1437 text on black | 5.33:1 | AA | Lc -37.5 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC6
oklch(88.4% 0.061 23.4)
-
Step 300
300
#FFA59F
oklch(81% 0.108 23.9)
-
Step 400
400
#FF6867
oklch(70.7% 0.185 23.4)
-
Step 500
500 (this color)
#FD1437
oklch(63.1% 0.249 23.4)
-
Step 600
600
#D8002A
oklch(55.6% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001B
oklch(42.7% 0.172 23.3)
-
Step 900
900
#7F0015
oklch(37.6% 0.152 23.3)
-
Step 950
950
#4D040B
oklch(26.9% 0.103 23.4)
#FD1437 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) | #6C6235 | 0.275 |
| Deuteranopia (no green cones) | #A1912C | 0.251 |
| Tritanopia (no blue cones) | #FF0028 | 0.012 |
| Achromatopsia (no color) | #808080 | 0.251 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FD1437
#FD1437
oklch(63.1% 0.249 23.4)
- #009CA7
#009CA7
oklch(63.1% 0.108 203.6)
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 #FD1437, closest first.
No curated palette has a color within ΔE 0.04 of #FD1437.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Red #FF073A ΔE 0.006
- Strawberry #FB2943 ΔE 0.014
- Pinky Red #FC2647 ΔE 0.016
- Cherry Red #F7022A ΔE 0.017
- Bright Red #FF000D ΔE 0.024
- Red Pantone #EF233C ΔE 0.026
- Fire Engine Red #FE0002 ΔE 0.027
- Red #FF0000 ΔE 0.027
Use #FD1437 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.