#C1503A
Closest named color: Brick Orange (#C14A09). oklch(57.5% 0.15 32.8), rgb(193, 80, 58).
Aa
White text reads best on this color (4.69:1).
About this color
#C1503A is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.150 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.032 away. White text reads best on it, at 4.69:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #C1503A |
| RGB | rgb(193, 80, 58) |
| HSL | hsl(10, 54%, 49%) |
| OKLCH | oklch(57.5% 0.15 32.8) |
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 #C1503A | 4.69:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #C1503A | 4.47:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #C1503A text on white | 4.69:1 | AA | Lc 71.9 | Content text, not long reading |
| #C1503A text on black | 4.47:1 | AA large text | Lc -29.8 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D1CA
oklch(88.6% 0.037 32.4)
-
Step 300
300
#E9B1A5
oklch(80.9% 0.068 32.3)
-
Step 400
400
#DB8775
oklch(70.7% 0.107 32.9)
-
Step 500
500
#CF6651
oklch(63.1% 0.138 32.7)
-
Step 600
600 (this color)
#C1503A
oklch(57.5% 0.15 32.8)
-
Step 700
700
#A03A27
oklch(49% 0.14 32.6)
-
Step 800
800
#823122
oklch(42.6% 0.115 32.5)
-
Step 900
900
#692C20
oklch(37.6% 0.091 32.8)
-
Step 950
950
#3E1B14
oklch(27.1% 0.057 32.6)
#C1503A 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) | #6E6437 | 0.154 |
| Deuteranopia (no green cones) | #8A7D37 | 0.141 |
| Tritanopia (no blue cones) | #D4384B | 0.058 |
| Achromatopsia (no color) | #747474 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1503A
#C1503A
oklch(57.5% 0.15 32.8)
- #00889C
#00889C
oklch(57.6% 0.101 212.7)
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 #C1503A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.036
- Dark Coral #CF524E ΔE 0.036
- Dusty Red #B9484E ΔE 0.039
- Rust Orange #C45508 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.040
- Burnt Siena #B75203 ΔE 0.044
- Faded Red #D3494E ΔE 0.045
Use #C1503A 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.