#B74A3F
Closest named color: Dull Red (#BB3F3F). oklch(55.2% 0.144 28.4), rgb(183, 74, 63).
Aa
White text reads best on this color (5.16:1).
About this color
#B74A3F is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.144 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.021 away. White text reads best on it, at 5.16:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #B74A3F |
| RGB | rgb(183, 74, 63) |
| HSL | hsl(6, 49%, 48%) |
| OKLCH | oklch(55.2% 0.144 28.4) |
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 #B74A3F | 5.16:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #B74A3F | 4.06:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #B74A3F text on white | 5.16:1 | AA | Lc 74.9 | Content text, not long reading |
| #B74A3F text on black | 4.06:1 | AA large text | Lc -26.8 | 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
#F6E5E3
oklch(93.5% 0.019 25.6)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E8B1A9
oklch(80.9% 0.066 28)
-
Step 400
400
#DA877C
oklch(70.7% 0.104 28.1)
-
Step 500
500
#CD675A
oklch(63.1% 0.132 28.8)
-
Step 600
600 (this color)
#B74A3F
oklch(55.2% 0.144 28.4)
-
Step 700
700
#9F3C32
oklch(49.2% 0.134 28.6)
-
Step 800
800
#81322A
oklch(42.7% 0.111 28.4)
-
Step 900
900
#682D26
oklch(37.7% 0.086 28.7)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#B74A3F 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) | #665E3D | 0.151 |
| Deuteranopia (no green cones) | #82763C | 0.138 |
| Tritanopia (no blue cones) | #C83448 | 0.049 |
| Achromatopsia (no color) | #6D6D6D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74A3F
#B74A3F
oklch(55.2% 0.144 28.4)
- #00818F
#00818F
oklch(55.2% 0.095 208.1)
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 #B74A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.021
- Dusty Red #B9484E ΔE 0.021
- Sinopia #BB3E03 ΔE 0.042
- Dark Rose #B5485D ΔE 0.043
- Brick Orange #C14A09 ΔE 0.044
- Burnt Orange #C04E01 ΔE 0.049
- Burnt Siena #B75203 ΔE 0.052
- Sienna #A0522D ΔE 0.053
Use #B74A3F 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.