#B54536
Closest named color: Dull Red (#BB3F3F). oklch(54.1% 0.149 30.2), rgb(181, 69, 54).
Aa
White text reads best on this color (5.42:1).
About this color
#B54536 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.149 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.020 away. White text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #B54536 |
| RGB | rgb(181, 69, 54) |
| HSL | hsl(7, 54%, 46%) |
| OKLCH | oklch(54.1% 0.149 30.2) |
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 #B54536 | 5.42:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #B54536 | 3.86:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #B54536 text on white | 5.42:1 | AA | Lc 76.3 | Fine for body text |
| #B54536 text on black | 3.86:1 | AA large text | Lc -25.5 | 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 600.
-
Step 50
50
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D1CB
oklch(88.6% 0.037 30.4)
-
Step 300
300
#E9B1A7
oklch(80.9% 0.067 30.1)
-
Step 400
400
#DB8678
oklch(70.6% 0.107 30)
-
Step 500
500
#CF6656
oklch(63.2% 0.136 30.2)
-
Step 600
600 (this color)
#B54536
oklch(54.1% 0.149 30.2)
-
Step 700
700
#A03A2D
oklch(49% 0.138 30.1)
-
Step 800
800
#823126
oklch(42.7% 0.114 30.2)
-
Step 900
900
#692C23
oklch(37.7% 0.09 30.3)
-
Step 950
950
#3E1B15
oklch(27.1% 0.056 31.1)
#B54536 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) | #635A34 | 0.155 |
| Deuteranopia (no green cones) | #7F7333 | 0.142 |
| Tritanopia (no blue cones) | #C72B42 | 0.054 |
| Achromatopsia (no color) | #6A6A6A | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54536
#B54536
oklch(54.1% 0.149 30.2)
- #007D8D
#007D8D
oklch(54% 0.094 210.3)
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 #B54536, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.020
- Dusty Red #B9484E ΔE 0.030
- Sinopia #BB3E03 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.046
- Cinnamon #AC4F06 ΔE 0.049
- Burnt Orange #C04E01 ΔE 0.049
- Sienna #A0522D ΔE 0.049
Use #B54536 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.