#BC640B
Closest named color: Orange Brown (#BE6400). oklch(59.4% 0.142 56.3), rgb(188, 100, 11).
Aa
Black text reads best on this color (4.96:1).
About this color
#BC640B is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.142 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Brown (#BE6400), ΔE 0.004 away. Black text reads best on it, at 4.96:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Orange Brown (#BE6400) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #BC640B |
| RGB | rgb(188, 100, 11) |
| HSL | hsl(30, 89%, 39%) |
| OKLCH | oklch(59.4% 0.142 56.3) |
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 #BC640B | 4.22:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #BC640B | 4.96:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #BC640B text on white | 4.22:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #BC640B text on black | 4.96:1 | AA | Lc -33.0 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DD
oklch(93.6% 0.02 58.1)
-
Step 200
200
#EED3C1
oklch(88.5% 0.039 55.8)
-
Step 300
300
#E4B696
oklch(81% 0.069 56.4)
-
Step 400
400
#D58E59
oklch(70.7% 0.111 56.5)
-
Step 500
500 (this color)
#BC640B
oklch(59.4% 0.142 56.3)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#783D00
oklch(42.7% 0.104 56.7)
-
Step 900
900
#653200
oklch(37.7% 0.092 56.3)
-
Step 950
950
#3B1E05
oklch(27% 0.058 57.5)
#BC640B 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) | #7E6F00 | 0.113 |
| Deuteranopia (no green cones) | #938309 | 0.102 |
| Tritanopia (no blue cones) | #CF5055 | 0.094 |
| Achromatopsia (no color) | #7B7B7B | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC640B
#BC640B
oklch(59.4% 0.142 56.3)
- #0088C0
#0088C0
oklch(59.3% 0.128 236.4)
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 #BC640B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Brown #BE6400 ΔE 0.004
- Brown Orange #B96902 ΔE 0.014
- Copper #B66325 ΔE 0.017
- Tiger's Eye #BC6C25 ΔE 0.019
- Umber #B26400 ΔE 0.019
- Orangey Brown #B16002 ΔE 0.024
- Rust #CA6702 ΔE 0.028
- Browny Orange #CA6B02 ΔE 0.033
Use #BC640B 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.