#C64421
Closest named color: Brick Orange (#C14A09). oklch(56.5% 0.172 35.5), rgb(198, 68, 33).
Aa
White text reads best on this color (4.94:1).
About this color
#C64421 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.172 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.021 away. White text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #C64421 |
| RGB | rgb(198, 68, 33) |
| HSL | hsl(13, 71%, 45%) |
| OKLCH | oklch(56.5% 0.172 35.5) |
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 #C64421 | 4.94:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #C64421 | 4.24:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #C64421 text on white | 4.94:1 | AA | Lc 73.2 | Content text, not long reading |
| #C64421 text on black | 4.24:1 | AA large text | Lc -28.5 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C6
oklch(88.5% 0.043 36)
-
Step 300
300
#EEAF9F
oklch(80.9% 0.078 34.7)
-
Step 400
400
#E2836A
oklch(70.7% 0.123 35.6)
-
Step 500
500
#D75F40
oklch(63% 0.158 35.6)
-
Step 600
600 (this color)
#C64421
oklch(56.5% 0.172 35.5)
-
Step 700
700
#A8320F
oklch(49.2% 0.16 35.6)
-
Step 800
800
#882B11
oklch(42.7% 0.132 35.7)
-
Step 900
900
#6E2816
oklch(37.7% 0.104 35.4)
-
Step 950
950
#41190E
oklch(27.2% 0.066 36.3)
#C64421 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) | #6A5E1B | 0.176 |
| Deuteranopia (no green cones) | #8A7B1A | 0.160 |
| Tritanopia (no blue cones) | #DA1C3D | 0.068 |
| Achromatopsia (no color) | #707070 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C64421
#C64421
oklch(56.5% 0.172 35.5)
- #00849B
#00849B
oklch(56.5% 0.1 215.7)
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 #C64421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.021
- Burnt Orange #C04E01 ΔE 0.029
- Sinopia #BB3E03 ΔE 0.029
- Rust Orange #C45508 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.041
- Burnt Siena #B75203 ΔE 0.043
- Rusty Orange #CD5909 ΔE 0.049
- Dark Coral #CF524E ΔE 0.050
Use #C64421 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.