#C4400A
Closest named color: Brick Orange (#C14A09). oklch(55.6% 0.177 38.1), rgb(196, 64, 10).
Aa
White text reads best on this color (5.14:1).
About this color
#C4400A is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.177 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.018 away. White text reads best on it, at 5.14:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #C4400A |
| RGB | rgb(196, 64, 10) |
| HSL | hsl(17, 90%, 40%) |
| OKLCH | oklch(55.6% 0.177 38.1) |
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 #C4400A | 5.14:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #C4400A | 4.08:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #C4400A text on white | 5.14:1 | AA | Lc 74.3 | Content text, not long reading |
| #C4400A text on black | 4.08:1 | AA large text | Lc -27.4 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EFAF9C
oklch(80.9% 0.08 37.2)
-
Step 400
400
#E38364
oklch(70.7% 0.127 38.6)
-
Step 500
500
#D95F38
oklch(63.2% 0.163 38)
-
Step 600
600 (this color)
#C4400A
oklch(55.6% 0.177 38.1)
-
Step 700
700
#A83300
oklch(49.2% 0.161 38.1)
-
Step 800
800
#892A04
oklch(42.7% 0.136 38.1)
-
Step 900
900
#6E2810
oklch(37.6% 0.106 38.3)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#C4400A 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) | #685B00 | 0.178 |
| Deuteranopia (no green cones) | #887800 | 0.161 |
| Tritanopia (no blue cones) | #D80F38 | 0.074 |
| Achromatopsia (no color) | #6D6D6D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4400A
#C4400A
oklch(55.6% 0.177 38.1)
- #00819A
#00819A
oklch(55.7% 0.1 217.7)
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 #C4400A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.018
- Sinopia #BB3E03 ΔE 0.019
- Burnt Orange #C04E01 ΔE 0.027
- Burnt Siena #B75203 ΔE 0.040
- Rust Orange #C45508 ΔE 0.040
- Dull Red #BB3F3F ΔE 0.046
- Cinnamon #AC4F06 ΔE 0.051
- Rusty Orange #CD5909 ΔE 0.054
Use #C4400A 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.