#C0033B
Closest named color: Rose Red (#BE013C). oklch(51.4% 0.204 16.6), rgb(192, 3, 59).
Aa
White text reads best on this color (6.33:1).
About this color
#C0033B is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.204 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.005 away. White text reads best on it, at 6.33:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #C0033B |
| RGB | rgb(192, 3, 59) |
| HSL | hsl(342, 97%, 38%) |
| OKLCH | oklch(51.4% 0.204 16.6) |
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 #C0033B | 6.33:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #C0033B | 3.31:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #C0033B text on white | 6.33:1 | AA | Lc 78.9 | Fine for body text |
| #C0033B text on black | 3.31:1 | AA large text | Lc -22.9 | 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
#FDE3E3
oklch(93.7% 0.029 17.7)
-
Step 200
200
#FCCBCC
oklch(88.5% 0.056 16.9)
-
Step 300
300
#FAA6AA
oklch(80.8% 0.1 16.4)
-
Step 400
400
#F3727D
oklch(70.8% 0.159 16.8)
-
Step 500
500
#EA435D
oklch(63.2% 0.202 16.6)
-
Step 600
600
#D50843
oklch(55.6% 0.22 16.6)
-
Step 700
700 (this color)
#C0033B
oklch(51.4% 0.204 16.6)
-
Step 800
800
#95032C
oklch(42.6% 0.169 16.6)
-
Step 900
900
#781528
oklch(37.7% 0.132 16.4)
-
Step 950
950
#470F17
oklch(27% 0.084 16.9)
#C0033B 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) | #4C483B | 0.229 |
| Deuteranopia (no green cones) | #776C35 | 0.208 |
| Tritanopia (no blue cones) | #D30023 | 0.048 |
| Achromatopsia (no color) | #606060 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0033B
#C0033B
oklch(51.4% 0.204 16.6)
- #007678
#007678
oklch(51.3% 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 #C0033B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.005
- Lipstick Red #C0022F ΔE 0.014
- Ruby #CA0147 ΔE 0.025
- Cherry #CF0234 ΔE 0.033
- Scarlet #BE0119 ΔE 0.034
- Raspberry #B00149 ΔE 0.042
- Rouge #AB1239 ΔE 0.043
- Firebrick #B22222 ΔE 0.045
Use #C0033B 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.