#BB4840
Closest named color: Dull Red (#BB3F3F). oklch(55.6% 0.15 27), rgb(187, 72, 64).
Aa
White text reads best on this color (5.10:1).
About this color
#BB4840 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.150 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.017 away. White text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #BB4840 |
| RGB | rgb(187, 72, 64) |
| HSL | hsl(4, 49%, 49%) |
| OKLCH | oklch(55.6% 0.15 27) |
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 #BB4840 | 5.10:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #BB4840 | 4.11:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #BB4840 text on white | 5.10:1 | AA | Lc 74.4 | Content text, not long reading |
| #BB4840 text on black | 4.11:1 | AA large text | Lc -27.3 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CC
oklch(88.4% 0.038 26.1)
-
Step 300
300
#E9B1A9
oklch(81% 0.067 27.9)
-
Step 400
400
#DC857C
oklch(70.6% 0.109 26.5)
-
Step 500
500
#D0645A
oklch(63.1% 0.139 27.1)
-
Step 600
600 (this color)
#BB4840
oklch(55.6% 0.15 27)
-
Step 700
700
#A13932
oklch(49.2% 0.139 27.2)
-
Step 800
800
#83302A
oklch(42.8% 0.116 27.2)
-
Step 900
900
#692B26
oklch(37.6% 0.09 26.9)
-
Step 950
950
#3E1A17
oklch(27% 0.057 26.4)
#BB4840 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) | #665E3E | 0.159 |
| Deuteranopia (no green cones) | #83773D | 0.146 |
| Tritanopia (no blue cones) | #CD2F47 | 0.050 |
| Achromatopsia (no color) | #6E6E6E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4840
#BB4840
oklch(55.6% 0.15 27)
- #00828F
#00828F
oklch(55.4% 0.095 207.1)
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 #BB4840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.017
- Dusty Red #B9484E ΔE 0.018
- Dark Rose #B5485D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
- Brick Orange #C14A09 ΔE 0.045
- Dark Coral #CF524E ΔE 0.048
- Faded Red #D3494E ΔE 0.050
- Burnt Orange #C04E01 ΔE 0.051
Use #BB4840 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.