#CF4A18
Closest named color: Deep Orange (#DC4D01). oklch(58.6% 0.178 38.4), rgb(207, 74, 24).
Aa
Black text reads best on this color (4.64:1).
About this color
#CF4A18 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.178 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.028 away. Black text reads best on it, at 4.64:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #CF4A18 |
| RGB | rgb(207, 74, 24) |
| HSL | hsl(16, 79%, 45%) |
| OKLCH | oklch(58.6% 0.178 38.4) |
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 #CF4A18 | 4.52:1 | AA | Lc -75.8 | Fine for body text |
| Black text on #CF4A18 | 4.64:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #CF4A18 text on white | 4.52:1 | AA | Lc 70.4 | Content text, not long reading |
| #CF4A18 text on black | 4.64:1 | AA | Lc -31.3 | Non-text elements, placeholder text |
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
#EFAF9B
oklch(80.9% 0.081 38.1)
-
Step 400
400
#E48263
oklch(70.7% 0.129 38.3)
-
Step 500
500
#D95F36
oklch(63.2% 0.163 38.6)
-
Step 600
600 (this color)
#CF4A18
oklch(58.6% 0.178 38.4)
-
Step 700
700
#A73300
oklch(49% 0.16 38.2)
-
Step 800
800
#892A02
oklch(42.7% 0.136 38.6)
-
Step 900
900
#6F280F
oklch(37.8% 0.107 38.5)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#CF4A18 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) | #71640D | 0.179 |
| Deuteranopia (no green cones) | #92810E | 0.161 |
| Tritanopia (no blue cones) | #E42241 | 0.077 |
| Achromatopsia (no color) | #767676 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF4A18
#CF4A18
oklch(58.6% 0.178 38.4)
- #008AA6
#008AA6
oklch(58.5% 0.106 218.8)
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 #CF4A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.028
- Brick Orange #C14A09 ΔE 0.029
- Rust Orange #C45508 ΔE 0.030
- Rusty Orange #CD5909 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.031
- Dark Coral #CF524E ΔE 0.046
- Burnt Siena #B75203 ΔE 0.049
- Sinopia #BB3E03 ΔE 0.049
Use #CF4A18 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.