#CA2F23
Closest named color: Dull Red (#BB3F3F). oklch(55.1% 0.193 29.3), rgb(202, 47, 35).
Aa
White text reads best on this color (5.32:1).
About this color
#CA2F23 is a medium-dark, vivid red. In OKLCH its lightness is 55%, 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 0.037 away. White text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #CA2F23 |
| RGB | rgb(202, 47, 35) |
| HSL | hsl(4, 70%, 46%) |
| OKLCH | oklch(55.1% 0.193 29.3) |
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 #CA2F23 | 5.32:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #CA2F23 | 3.94:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #CA2F23 text on white | 5.32:1 | AA | Lc 75.0 | Content text, not long reading |
| #CA2F23 text on black | 3.94:1 | AA large text | Lc -26.8 | 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
#F4ACA0
oklch(81% 0.087 29.6)
-
Step 400
400
#EA7C6C
oklch(70.7% 0.139 29.6)
-
Step 500
500
#E05445
oklch(63% 0.178 29.1)
-
Step 600
600 (this color)
#CA2F23
oklch(55.1% 0.193 29.3)
-
Step 700
700
#B02117
oklch(49.1% 0.18 29.4)
-
Step 800
800
#8F1F16
oklch(42.7% 0.149 29.4)
-
Step 900
900
#732119
oklch(37.7% 0.117 29.2)
-
Step 950
950
#441510
oklch(27.1% 0.074 28.9)
#CA2F23 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) | #60551F | 0.207 |
| Deuteranopia (no green cones) | #86771A | 0.187 |
| Tritanopia (no blue cones) | #DF002E | 0.048 |
| Achromatopsia (no color) | #6B6B6B | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA2F23
#CA2F23
oklch(55.1% 0.193 29.3)
- #008090
#008090
oklch(55% 0.095 210)
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 #CA2F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.037
- Cherry #CF0234 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.041
- Crimson #DC143C ΔE 0.049
- Scarlet #BE0119 ΔE 0.049
- Brick Orange #C14A09 ΔE 0.050
- Lipstick Red #C0022F ΔE 0.051
- Dusty Red #B9484E ΔE 0.054
Use #CA2F23 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.