#C12A2A
Closest named color: Dull Red (#BB3F3F). oklch(53.1% 0.187 26.4), rgb(193, 42, 42).
Aa
White text reads best on this color (5.78:1).
About this color
#C12A2A is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.187 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.031 away. White text reads best on it, at 5.78:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #C12A2A |
| RGB | rgb(193, 42, 42) |
| HSL | hsl(0, 64%, 46%) |
| OKLCH | oklch(53.1% 0.187 26.4) |
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 #C12A2A | 5.78:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #C12A2A | 3.63:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #C12A2A text on white | 5.78:1 | AA | Lc 77.4 | Fine for body text |
| #C12A2A text on black | 3.63:1 | AA large text | Lc -24.4 | 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 600.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F2ACA4
oklch(80.9% 0.084 26.4)
-
Step 400
400
#E97D73
oklch(70.8% 0.135 26.5)
-
Step 500
500
#DE564E
oklch(63.1% 0.172 26.5)
-
Step 600
600 (this color)
#C12A2A
oklch(53.1% 0.187 26.4)
-
Step 700
700
#AE2424
oklch(49.1% 0.174 26.5)
-
Step 800
800
#8D2120
oklch(42.7% 0.144 26.2)
-
Step 900
900
#72221F
oklch(37.7% 0.113 26.2)
-
Step 950
950
#431513
oklch(26.9% 0.072 25.6)
#C12A2A 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) | #595128 | 0.204 |
| Deuteranopia (no green cones) | #7F7123 | 0.184 |
| Tritanopia (no blue cones) | #D5002C | 0.042 |
| Achromatopsia (no color) | #666666 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C12A2A
#C12A2A
oklch(53.1% 0.187 26.4)
- #007B86
#007B86
oklch(53.2% 0.091 205.7)
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 #C12A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.031
- Scarlet #BE0119 ΔE 0.032
- Lipstick Red #C0022F ΔE 0.033
- Firebrick #B22222 ΔE 0.035
- Cherry #CF0234 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.043
- Sinopia #BB3E03 ΔE 0.044
- Rose Red #BE013C ΔE 0.045
Use #C12A2A 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.