#C18320
Closest named color: Dark Goldenrod (#B8860B). oklch(65.8% 0.13 73), rgb(193, 131, 32).
Aa
Black text reads best on this color (6.53:1).
About this color
#C18320 is a medium-light, moderately saturated orange. In OKLCH its lightness is 66%, its chroma 0.130 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Goldenrod (#B8860B), ΔE 0.021 away. Black text reads best on it, at 6.53:1.
| Hue family | Oranges |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Dark Goldenrod (#B8860B) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #C18320 |
| RGB | rgb(193, 131, 32) |
| HSL | hsl(37, 72%, 44%) |
| OKLCH | oklch(65.8% 0.13 73) |
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 #C18320 | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #C18320 | 6.53:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #C18320 text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #C18320 text on black | 6.53:1 | AA | Lc -42.6 | 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
#F9F5EF
oklch(97.2% 0.009 78.3)
-
Step 100
100
#F2E8DD
oklch(93.6% 0.018 70.2)
-
Step 200
200
#E8D6C0
oklch(88.5% 0.036 72.9)
-
Step 300
300
#DABB94
oklch(80.9% 0.063 73.1)
-
Step 400
400
#C79655
oklch(70.6% 0.101 72.7)
-
Step 500
500 (this color)
#C18320
oklch(65.8% 0.13 73)
-
Step 600
600
#9D6600
oklch(55.6% 0.119 72.5)
-
Step 700
700
#845600
oklch(49.2% 0.105 73.4)
-
Step 800
800
#6D4600
oklch(42.8% 0.091 73.1)
-
Step 900
900
#5B3A00
oklch(37.8% 0.08 73.5)
-
Step 950
950
#362203
oklch(27.1% 0.054 74)
#C18320 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) | #998707 | 0.070 |
| Deuteranopia (no green cones) | #A79524 | 0.060 |
| Tritanopia (no blue cones) | #D37371 | 0.108 |
| Achromatopsia (no color) | #8F8F8F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C18320
#C18320
oklch(65.8% 0.13 73)
- #5394DF
#5394DF
oklch(65.7% 0.131 253.3)
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 #C18320, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Goldenrod #B8860B ΔE 0.021
- Peru #CD853F ΔE 0.032
- Ochre #BF9005 ΔE 0.037
- Golden Brown #B27A01 ΔE 0.037
- Dark Tan #AF884A ΔE 0.039
- Yellowy Brown #AE8B0C ΔE 0.040
- Mustard Brown #AC7E04 ΔE 0.042
- Dull Orange #D8863B ΔE 0.047
Use #C18320 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.