#CF630B
Closest named color: Rust (#CA6702). oklch(62% 0.16 50.3), rgb(207, 99, 11).
Aa
Black text reads best on this color (5.44:1).
About this color
#CF630B is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.160 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Rust (#CA6702), ΔE 0.013 away. Black text reads best on it, at 5.44:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Rust (#CA6702) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #CF630B |
| RGB | rgb(207, 99, 11) |
| HSL | hsl(27, 90%, 43%) |
| OKLCH | oklch(62% 0.16 50.3) |
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 #CF630B | 3.85:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #CF630B | 5.44:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #CF630B text on white | 3.85:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #CF630B text on black | 5.44:1 | AA | Lc -36.3 | 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 500.
-
Step 50
50
#FCF4EF
oklch(97.2% 0.011 54.5)
-
Step 100
100
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D2C0
oklch(88.6% 0.043 51.2)
-
Step 300
300
#EBB293
oklch(80.8% 0.079 49.8)
-
Step 400
400
#DE8855
oklch(70.7% 0.125 50.3)
-
Step 500
500 (this color)
#CF630B
oklch(62% 0.16 50.3)
-
Step 600
600
#B45400
oklch(55.7% 0.146 50.5)
-
Step 700
700
#984600
oklch(49.2% 0.129 50.6)
-
Step 800
800
#7D3800
oklch(42.6% 0.112 50.3)
-
Step 900
900
#692E00
oklch(37.6% 0.099 50.4)
-
Step 950
950
#3F1B03
oklch(27% 0.066 50.7)
#CF630B 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) | #837300 | 0.139 |
| Deuteranopia (no green cones) | #9D8B04 | 0.126 |
| Tritanopia (no blue cones) | #E44A55 | 0.095 |
| Achromatopsia (no color) | #828282 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF630B
#CF630B
oklch(62% 0.16 50.3)
- #0093C2
#0093C2
oklch(62.1% 0.124 229.9)
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 #CF630B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust #CA6702 ΔE 0.013
- Chocolate #D2691E ΔE 0.015
- Browny Orange #CA6B02 ΔE 0.020
- Rusty Orange #CD5909 ΔE 0.022
- Terra Cotta #C9643B ΔE 0.030
- Orange Brown #BE6400 ΔE 0.032
- Terracotta #CA6641 ΔE 0.034
- Terracota #CB6843 ΔE 0.035
Use #CF630B 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.