#C13A38
Closest named color: Dull Red (#BB3F3F). oklch(54.8% 0.172 25.6), rgb(193, 58, 56).
Aa
White text reads best on this color (5.34:1).
About this color
#C13A38 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.172 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.013 away. White text reads best on it, at 5.34:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #C13A38 |
| RGB | rgb(193, 58, 56) |
| HSL | hsl(1, 55%, 49%) |
| OKLCH | oklch(54.8% 0.172 25.6) |
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 #C13A38 | 5.34:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #C13A38 | 3.92:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #C13A38 text on white | 5.34:1 | AA | Lc 75.5 | Fine for body text |
| #C13A38 text on black | 3.92:1 | AA large text | Lc -26.3 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#EFAEA7
oklch(81% 0.077 25.8)
-
Step 400
400
#E48078
oklch(70.7% 0.125 25.5)
-
Step 500
500
#D95C55
oklch(63.2% 0.159 25.8)
-
Step 600
600 (this color)
#C13A38
oklch(54.8% 0.172 25.6)
-
Step 700
700
#A92D2D
oklch(49.1% 0.161 25.4)
-
Step 800
800
#892826
oklch(42.7% 0.132 25.7)
-
Step 900
900
#6E2623
oklch(37.6% 0.103 25.7)
-
Step 950
950
#411715
oklch(26.9% 0.066 25.2)
#C13A38 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) | #605836 | 0.185 |
| Deuteranopia (no green cones) | #827634 | 0.170 |
| Tritanopia (no blue cones) | #D40B3B | 0.051 |
| Achromatopsia (no color) | #6B6B6B | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C13A38
#C13A38
oklch(54.8% 0.172 25.6)
- #00808B
#00808B
oklch(54.8% 0.094 205.4)
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 #C13A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.013
- Dusty Red #B9484E ΔE 0.031
- Sinopia #BB3E03 ΔE 0.042
- Cherry #CF0234 ΔE 0.048
- Dark Rose #B5485D ΔE 0.050
- Faded Red #D3494E ΔE 0.051
- Brick Orange #C14A09 ΔE 0.051
- Lipstick Red #C0022F ΔE 0.052
Use #C13A38 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.