#BB4545
Closest named color: Dull Red (#BB3F3F). oklch(55.3% 0.153 23.5), rgb(187, 69, 69).
Aa
White text reads best on this color (5.18:1).
About this color
#BB4545 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.153 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.011 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #BB4545 |
| RGB | rgb(187, 69, 69) |
| HSL | hsl(0, 46%, 50%) |
| OKLCH | oklch(55.3% 0.153 23.5) |
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 #BB4545 | 5.18:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #BB4545 | 4.05:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #BB4545 text on white | 5.18:1 | AA | Lc 74.9 | Content text, not long reading |
| #BB4545 text on black | 4.05:1 | AA large text | Lc -26.9 | 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
#F2D0CD
oklch(88.5% 0.039 23.9)
-
Step 300
300
#EAB0AB
oklch(80.9% 0.069 24.3)
-
Step 400
400
#DD847F
oklch(70.7% 0.11 23.7)
-
Step 500
500
#D1625F
oklch(63% 0.141 23.5)
-
Step 600
600 (this color)
#BB4545
oklch(55.3% 0.153 23.5)
-
Step 700
700
#A23737
oklch(49.2% 0.142 23.9)
-
Step 800
800
#832E2E
oklch(42.6% 0.118 23.5)
-
Step 900
900
#6A2A29
oklch(37.6% 0.092 23.4)
-
Step 950
950
#3E1A18
oklch(27% 0.057 24.8)
#BB4545 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) | #645D44 | 0.163 |
| Deuteranopia (no green cones) | #817642 | 0.151 |
| Tritanopia (no blue cones) | #CD2C46 | 0.046 |
| Achromatopsia (no color) | #6D6D6D | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4545
#BB4545
oklch(55.3% 0.153 23.5)
- #00828B
#00828B
oklch(55.3% 0.094 203.3)
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 #BB4545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.011
- Dusty Red #B9484E ΔE 0.011
- Dark Rose #B5485D ΔE 0.033
- Sinopia #BB3E03 ΔE 0.049
- Faded Red #D3494E ΔE 0.050
- Dark Coral #CF524E ΔE 0.050
- Deep Rose #C74767 ΔE 0.052
- Light Burgundy #A8415B ΔE 0.053
Use #BB4545 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.