#B33F65
Closest named color: Dark Rose (#B5485D). oklch(54% 0.154 3.6), rgb(179, 63, 101).
Aa
White text reads best on this color (5.50:1).
About this color
#B33F65 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.154 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.026 away. White text reads best on it, at 5.50:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #B33F65 |
| RGB | rgb(179, 63, 101) |
| HSL | hsl(340, 48%, 47%) |
| OKLCH | oklch(54% 0.154 3.6) |
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 #B33F65 | 5.50:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #B33F65 | 3.81:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #B33F65 text on white | 5.50:1 | AA | Lc 76.7 | Fine for body text |
| #B33F65 text on black | 3.81:1 | AA large text | Lc -25.1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E8
oklch(93.6% 0.019 5.3)
-
Step 200
200
#F0CFD6
oklch(88.4% 0.038 3.5)
-
Step 300
300
#E8AFBC
oklch(81% 0.068 3.6)
-
Step 400
400
#DA8299
oklch(70.6% 0.111 3.5)
-
Step 500
500
#CD6080
oklch(63% 0.141 3.5)
-
Step 600
600 (this color)
#B33F65
oklch(54% 0.154 3.6)
-
Step 700
700
#9E3558
oklch(49.1% 0.142 3.5)
-
Step 800
800
#812D48
oklch(42.8% 0.118 3.7)
-
Step 900
900
#68293C
oklch(37.7% 0.092 3.7)
-
Step 950
950
#3D1923
oklch(27% 0.058 4.2)
#B33F65 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) | #575B66 | 0.170 |
| Deuteranopia (no green cones) | #757162 | 0.156 |
| Tritanopia (no blue cones) | #C2304E | 0.042 |
| Achromatopsia (no color) | #696969 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B33F65
#B33F65
oklch(54% 0.154 3.6)
- #008075
#008075
oklch(53.9% 0.095 184.4)
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 #B33F65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.026
- Light Burgundy #A8415B ΔE 0.026
- Light Maroon #A24857 ΔE 0.043
- Deep Rose #C74767 ΔE 0.045
- Dusty Red #B9484E ΔE 0.046
- Dark Pink #CB416B ΔE 0.048
- Dull Red #BB3F3F ΔE 0.056
- Light Plum #9D5783 ΔE 0.066
Use #B33F65 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.