#BE0337
Closest named color: Rose Red (#BE013C). oklch(50.9% 0.203 17.8), rgb(190, 3, 55).
Aa
White text reads best on this color (6.44:1).
About this color
#BE0337 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.203 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.007 away. White text reads best on it, at 6.44:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #BE0337 |
| RGB | rgb(190, 3, 55) |
| HSL | hsl(343, 97%, 38%) |
| OKLCH | oklch(50.9% 0.203 17.8) |
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 #BE0337 | 6.44:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #BE0337 | 3.25:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #BE0337 text on white | 6.44:1 | AA | Lc 79.4 | Fine for body text |
| #BE0337 text on black | 3.25:1 | AA large text | Lc -22.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FBCBCC
oklch(88.4% 0.055 16.8)
-
Step 300
300
#FAA7A9
oklch(81% 0.098 17.9)
-
Step 400
400
#F2737B
oklch(70.7% 0.156 18.1)
-
Step 500
500
#E9445A
oklch(63% 0.2 17.8)
-
Step 600
600
#D50E40
oklch(55.7% 0.218 17.9)
-
Step 700
700 (this color)
#BE0337
oklch(50.9% 0.203 17.8)
-
Step 800
800
#95062A
oklch(42.7% 0.168 17.8)
-
Step 900
900
#781626
oklch(37.8% 0.131 17.9)
-
Step 950
950
#471017
oklch(27.1% 0.083 17.5)
#BE0337 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) | #4C4737 | 0.226 |
| Deuteranopia (no green cones) | #766B31 | 0.206 |
| Tritanopia (no blue cones) | #D10020 | 0.046 |
| Achromatopsia (no color) | #5E5E5E | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BE0337
#BE0337
oklch(50.9% 0.203 17.8)
- #007577
#007577
oklch(51% 0.087 196.9)
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 #BE0337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.007
- Lipstick Red #C0022F ΔE 0.010
- Scarlet #BE0119 ΔE 0.029
- Ruby #CA0147 ΔE 0.032
- Cherry #CF0234 ΔE 0.036
- Rouge #AB1239 ΔE 0.038
- Firebrick #B22222 ΔE 0.040
- Raspberry #B00149 ΔE 0.041
Use #BE0337 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.