#B3392F
Closest named color: Dull Red (#BB3F3F). oklch(52.2% 0.16 28.5), rgb(179, 57, 47).
Aa
White text reads best on this color (5.92:1).
About this color
#B3392F is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.160 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.026 away. White text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #B3392F |
| RGB | rgb(179, 57, 47) |
| HSL | hsl(5, 58%, 44%) |
| OKLCH | oklch(52.2% 0.16 28.5) |
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 #B3392F | 5.92:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #B3392F | 3.54:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #B3392F text on white | 5.92:1 | AA | Lc 78.6 | Fine for body text |
| #B3392F text on black | 3.54:1 | AA large text | Lc -23.2 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5E1
oklch(93.7% 0.023 31.1)
-
Step 200
200
#F4CFC9
oklch(88.4% 0.043 28.8)
-
Step 300
300
#EFAEA5
oklch(80.9% 0.078 27.8)
-
Step 400
400
#E38174
oklch(70.7% 0.123 28.5)
-
Step 500
500
#D85D50
oklch(63.1% 0.158 28.4)
-
Step 600
600
#C43E33
oklch(55.6% 0.172 28.6)
-
Step 700
700 (this color)
#B3392F
oklch(52.2% 0.16 28.5)
-
Step 800
800
#892921
oklch(42.8% 0.132 28.6)
-
Step 900
900
#6E2720
oklch(37.7% 0.103 28.5)
-
Step 950
950
#411813
oklch(27.1% 0.065 29.1)
#B3392F 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) | #5C532D | 0.168 |
| Deuteranopia (no green cones) | #7A6E2B | 0.155 |
| Tritanopia (no blue cones) | #C51438 | 0.052 |
| Achromatopsia (no color) | #646464 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3392F
#B3392F
oklch(52.2% 0.16 28.5)
- #007785
#007785
oklch(52.1% 0.09 209.1)
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 #B3392F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.029
- Firebrick #B22222 ΔE 0.032
- Sinopia #BB3E03 ΔE 0.036
- Rufous #AE2012 ΔE 0.040
- Brown #A52A2A ΔE 0.042
- Brick #A03623 ΔE 0.042
- Dusty Red #B9484E ΔE 0.042
Use #B3392F 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.