#CB683F
Closest named color: Terracota (#CB6843). oklch(62.6% 0.137 42.3), rgb(203, 104, 63).
Aa
Black text reads best on this color (5.59:1).
About this color
#CB683F is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.137 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.004 away. Black text reads best on it, at 5.59:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #CB683F |
| RGB | rgb(203, 104, 63) |
| HSL | hsl(18, 57%, 52%) |
| OKLCH | oklch(62.6% 0.137 42.3) |
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 #CB683F | 3.75:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #CB683F | 5.59:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #CB683F text on white | 3.75:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #CB683F text on black | 5.59:1 | AA | Lc -37.0 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E7B39F
oklch(80.9% 0.067 42)
-
Step 400
400
#D9896A
oklch(70.6% 0.108 41.9)
-
Step 500
500 (this color)
#CB683F
oklch(62.6% 0.137 42.3)
-
Step 600
600
#B84E1E
oklch(55.5% 0.149 42)
-
Step 700
700
#9E3F0F
oklch(49.1% 0.138 42.6)
-
Step 800
800
#813411
oklch(42.7% 0.116 42)
-
Step 900
900
#682F16
oklch(37.8% 0.09 42.8)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#CB683F 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) | #83763B | 0.128 |
| Deuteranopia (no green cones) | #9B8C3D | 0.118 |
| Tritanopia (no blue cones) | #DE545F | 0.072 |
| Achromatopsia (no color) | #848484 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB683F
#CB683F
oklch(62.6% 0.137 42.3)
- #0097BA
#0097BA
oklch(62.7% 0.116 222)
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 #CB683F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.004
- Terracotta #CA6641 ΔE 0.006
- Terra Cotta #C9643B ΔE 0.010
- Adobe #BD6C48 ΔE 0.025
- Chocolate #D2691E ΔE 0.028
- Rust #CA6702 ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.038
- Browny Orange #CA6B02 ΔE 0.039
Use #CB683F 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.