#CA4128
Closest named color: Brick Orange (#C14A09). oklch(56.9% 0.178 32.6), rgb(202, 65, 40).
Aa
White text reads best on this color (4.88:1).
About this color
#CA4128 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.031 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #CA4128 |
| RGB | rgb(202, 65, 40) |
| HSL | hsl(9, 67%, 47%) |
| OKLCH | oklch(56.9% 0.178 32.6) |
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 #CA4128 | 4.88:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #CA4128 | 4.29:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CA4128 text on white | 4.88:1 | AA | Lc 72.7 | Content text, not long reading |
| #CA4128 text on black | 4.29:1 | AA large text | Lc -28.9 | 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
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F5CFC7
oklch(88.5% 0.044 31.9)
-
Step 300
300
#F0AEA0
oklch(80.9% 0.081 32.3)
-
Step 400
400
#E5816C
oklch(70.8% 0.128 32.9)
-
Step 500
500
#DA5C44
oklch(63.1% 0.163 32.6)
-
Step 600
600 (this color)
#CA4128
oklch(56.9% 0.178 32.6)
-
Step 700
700
#AA2D16
oklch(49% 0.165 32.6)
-
Step 800
800
#8A2715
oklch(42.6% 0.137 32.6)
-
Step 900
900
#6F2619
oklch(37.6% 0.107 32.3)
-
Step 950
950
#41170F
oklch(26.8% 0.068 32.6)
#CA4128 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) | #695E24 | 0.185 |
| Deuteranopia (no green cones) | #8B7C22 | 0.168 |
| Tritanopia (no blue cones) | #DE123C | 0.064 |
| Achromatopsia (no color) | #717171 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA4128
#CA4128
oklch(56.9% 0.178 32.6)
- #008699
#008699
oklch(56.9% 0.099 212)
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 #CA4128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.031
- Sinopia #BB3E03 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.039
- Faded Red #D3494E ΔE 0.044
- Dark Coral #CF524E ΔE 0.044
- Rust Orange #C45508 ΔE 0.046
- Dusty Red #B9484E ΔE 0.049
Use #CA4128 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.