#C00531
Closest named color: Lipstick Red (#C0022F). oklch(51.2% 0.204 20.1), rgb(192, 5, 49).
Aa
White text reads best on this color (6.34:1).
About this color
#C00531 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.204 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.002 away. White text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #C00531 |
| RGB | rgb(192, 5, 49) |
| HSL | hsl(346, 95%, 39%) |
| OKLCH | oklch(51.2% 0.204 20.1) |
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 #C00531 | 6.34:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #C00531 | 3.30:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #C00531 text on white | 6.34:1 | AA | Lc 79.1 | Fine for body text |
| #C00531 text on black | 3.30:1 | AA large text | Lc -22.7 | 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
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FAA7A6
oklch(80.9% 0.099 20.2)
-
Step 400
400
#F37377
oklch(70.8% 0.158 20)
-
Step 500
500
#EA4454
oklch(63.1% 0.202 20)
-
Step 600
600
#D50C38
oklch(55.5% 0.219 20.2)
-
Step 700
700 (this color)
#C00531
oklch(51.2% 0.204 20.1)
-
Step 800
800
#960524
oklch(42.8% 0.169 20.4)
-
Step 900
900
#781622
oklch(37.7% 0.131 20.3)
-
Step 950
950
#471014
oklch(27% 0.083 20.8)
#C00531 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) | #4E4831 | 0.227 |
| Deuteranopia (no green cones) | #786C2A | 0.206 |
| Tritanopia (no blue cones) | #D4001E | 0.045 |
| Achromatopsia (no color) | #5F5F5F | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C00531
#C00531
oklch(51.2% 0.204 20.1)
- #00757A
#00757A
oklch(51.1% 0.087 200)
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 #C00531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.002
- Rose Red #BE013C ΔE 0.015
- Scarlet #BE0119 ΔE 0.022
- Cherry #CF0234 ΔE 0.031
- Ruby #CA0147 ΔE 0.034
- Firebrick #B22222 ΔE 0.036
- Rouge #AB1239 ΔE 0.044
- Rufous #AE2012 ΔE 0.049
Use #C00531 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.