#B61D01
Closest named color: Rufous (#AE2012). oklch(49.9% 0.189 31.8), rgb(182, 29, 1).
Aa
White text reads best on this color (6.63:1).
About this color
#B61D01 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.189 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.017 away. White text reads best on it, at 6.63:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #B61D01 |
| RGB | rgb(182, 29, 1) |
| HSL | hsl(9, 99%, 36%) |
| OKLCH | oklch(49.9% 0.189 31.8) |
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 #B61D01 | 6.63:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #B61D01 | 3.16:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #B61D01 text on white | 6.63:1 | AA | Lc 80.9 | Fine for body text |
| #B61D01 text on black | 3.16:1 | AA large text | Lc -21.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F6AB9C
oklch(80.9% 0.092 31.7)
-
Step 400
400
#EE7A65
oklch(70.8% 0.147 31.6)
-
Step 500
500
#E45139
oklch(63.1% 0.187 31.8)
-
Step 600
600
#D02A0E
oklch(55.6% 0.204 31.7)
-
Step 700
700 (this color)
#B61D01
oklch(49.9% 0.189 31.8)
-
Step 800
800
#911A06
oklch(42.6% 0.157 31.8)
-
Step 900
900
#751F11
oklch(37.8% 0.122 31.9)
-
Step 950
950
#45140C
oklch(27% 0.077 31.7)
#B61D01 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) | #524700 | 0.203 |
| Deuteranopia (no green cones) | #766800 | 0.181 |
| Tritanopia (no blue cones) | #C9001B | 0.042 |
| Achromatopsia (no color) | #5D5D5D | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B61D01
#B61D01
oklch(49.9% 0.189 31.8)
- #00707F
#00707F
oklch(50% 0.087 210.8)
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 #B61D01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.017
- Firebrick #B22222 ΔE 0.019
- Rusty Red #AF2F0D ΔE 0.022
- Rust Red #AA2704 ΔE 0.024
- Scarlet #BE0119 ΔE 0.026
- Brown #A52A2A ΔE 0.040
- Lipstick Red #C0022F ΔE 0.043
- Burnt Red #9F2305 ΔE 0.047
Use #B61D01 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.