#BF631F
Closest named color: Orange Brown (#BE6400). oklch(59.8% 0.14 51.8), rgb(191, 99, 31).
Aa
Black text reads best on this color (5.01:1).
About this color
#BF631F is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.140 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Brown (#BE6400), ΔE 0.013 away. Black text reads best on it, at 5.01:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Orange Brown (#BE6400) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #BF631F |
| RGB | rgb(191, 99, 31) |
| HSL | hsl(26, 72%, 44%) |
| OKLCH | oklch(59.8% 0.14 51.8) |
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 #BF631F | 4.18:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #BF631F | 5.01:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #BF631F text on white | 4.18:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #BF631F text on black | 5.01:1 | AA | Lc -33.3 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EFD3C3
oklch(88.6% 0.038 51.7)
-
Step 300
300
#E5B598
oklch(80.9% 0.068 52.6)
-
Step 400
400
#D78C5E
oklch(70.7% 0.11 51.7)
-
Step 500
500 (this color)
#BF631F
oklch(59.8% 0.14 51.8)
-
Step 600
600
#B25500
oklch(55.5% 0.143 51.6)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7C3900
oklch(42.6% 0.11 51.5)
-
Step 900
900
#663107
oklch(37.7% 0.091 52.3)
-
Step 950
950
#3C1D08
oklch(27% 0.058 51.7)
#BF631F 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) | #7E6F13 | 0.119 |
| Deuteranopia (no green cones) | #94841D | 0.108 |
| Tritanopia (no blue cones) | #D24F56 | 0.086 |
| Achromatopsia (no color) | #7C7C7C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF631F
#BF631F
oklch(59.8% 0.14 51.8)
- #008BBB
#008BBB
oklch(59.8% 0.122 231.8)
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 #BF631F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Brown #BE6400 ΔE 0.013
- Copper #B66325 ΔE 0.017
- Tiger's Eye #BC6C25 ΔE 0.020
- Brown Orange #B96902 ΔE 0.023
- Rust #CA6702 ΔE 0.026
- Rust Orange #C45508 ΔE 0.029
- Umber #B26400 ΔE 0.029
- Rusty Orange #CD5909 ΔE 0.030
Use #BF631F 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.