#C13127
Closest named color: Dull Red (#BB3F3F). oklch(53.7% 0.182 28.8), rgb(193, 49, 39).
Aa
White text reads best on this color (5.62:1).
About this color
#C13127 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.182 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #C13127 |
| RGB | rgb(193, 49, 39) |
| HSL | hsl(4, 66%, 45%) |
| OKLCH | oklch(53.7% 0.182 28.8) |
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 #C13127 | 5.62:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #C13127 | 3.73:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #C13127 text on white | 5.62:1 | AA | Lc 76.7 | Fine for body text |
| #C13127 text on black | 3.73:1 | AA large text | Lc -25.0 | 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
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F6CFC8
oklch(88.6% 0.045 29.9)
-
Step 300
300
#F1ADA2
oklch(80.9% 0.082 29.3)
-
Step 400
400
#E77E71
oklch(70.7% 0.132 28.2)
-
Step 500
500
#DC594B
oklch(63.1% 0.167 28.8)
-
Step 600
600 (this color)
#C13127
oklch(53.7% 0.182 28.8)
-
Step 700
700
#AC2820
oklch(49% 0.17 28.6)
-
Step 800
800
#8C241C
oklch(42.7% 0.141 28.8)
-
Step 900
900
#70241D
oklch(37.6% 0.109 28.6)
-
Step 950
950
#421612
oklch(26.9% 0.069 27.8)
#C13127 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) | #5D5324 | 0.195 |
| Deuteranopia (no green cones) | #817320 | 0.178 |
| Tritanopia (no blue cones) | #D50030 | 0.049 |
| Achromatopsia (no color) | #676767 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C13127
#C13127
oklch(53.7% 0.182 28.8)
- #007C8A
#007C8A
oklch(53.7% 0.092 208.6)
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 #C13127, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Sinopia #BB3E03 ΔE 0.034
- Scarlet #BE0119 ΔE 0.040
- Firebrick #B22222 ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.042
- Lipstick Red #C0022F ΔE 0.044
- Cherry #CF0234 ΔE 0.045
- Dusty Red #B9484E ΔE 0.047
Use #C13127 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.