#C72B23
Closest named color: Dull Red (#BB3F3F). oklch(54.2% 0.193 28.5), rgb(199, 43, 35).
Aa
White text reads best on this color (5.52:1).
About this color
#C72B23 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.193 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.036 away. White text reads best on it, at 5.52:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.79:1 |
| White text | 5.52:1 |
Values
| HEX | #C72B23 |
| RGB | rgb(199, 43, 35) |
| HSL | hsl(3, 70%, 46%) |
| OKLCH | oklch(54.2% 0.193 28.5) |
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 #C72B23 | 5.52:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #C72B23 | 3.79:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #C72B23 text on white | 5.52:1 | AA | Lc 76.0 | Fine for body text |
| #C72B23 text on black | 3.79:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F8CEC7
oklch(88.6% 0.049 29.1)
-
Step 300
300
#F4ACA1
oklch(81% 0.087 28.8)
-
Step 400
400
#EA7C6E
oklch(70.7% 0.138 28.6)
-
Step 500
500
#E15447
oklch(63.2% 0.178 28.4)
-
Step 600
600 (this color)
#C72B23
oklch(54.2% 0.193 28.5)
-
Step 700
700
#B0201A
oklch(49.1% 0.18 28.5)
-
Step 800
800
#8F1F18
oklch(42.8% 0.149 28.7)
-
Step 900
900
#73211A
oklch(37.7% 0.116 28.7)
-
Step 950
950
#441510
oklch(27.1% 0.074 28.9)
#C72B23 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) | #5D5320 | 0.208 |
| Deuteranopia (no green cones) | #83751A | 0.189 |
| Tritanopia (no blue cones) | #DC002B | 0.045 |
| Achromatopsia (no color) | #696969 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C72B23
#C72B23
oklch(54.2% 0.193 28.5)
- #007E8C
#007E8C
oklch(54.3% 0.093 208.4)
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 #C72B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.036
- Cherry #CF0234 ΔE 0.037
- Scarlet #BE0119 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.041
- Lipstick Red #C0022F ΔE 0.043
- Firebrick #B22222 ΔE 0.048
- Crimson #DC143C ΔE 0.051
- Rusty Red #AF2F0D ΔE 0.051
Use #C72B23 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.