#B01145
Closest named color: Raspberry (#B00149). oklch(48.9% 0.187 11.1), rgb(176, 17, 69).
Aa
White text reads best on this color (6.97:1).
About this color
#B01145 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.187 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.012 away. White text reads best on it, at 6.97:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #B01145 |
| RGB | rgb(176, 17, 69) |
| HSL | hsl(340, 82%, 38%) |
| OKLCH | oklch(48.9% 0.187 11.1) |
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 #B01145 | 6.97:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #B01145 | 3.01:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #B01145 text on white | 6.97:1 | AA | Lc 82.1 | Fine for body text |
| #B01145 text on black | 3.01:1 | AA large text | Lc -19.8 | 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 700.
-
Step 50
50
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F8CCD1
oklch(88.4% 0.05 10.5)
-
Step 300
300
#F5A9B2
oklch(81% 0.09 11.5)
-
Step 400
400
#EC778A
oklch(70.8% 0.145 11.3)
-
Step 500
500
#E24C6D
oklch(63.1% 0.186 11.1)
-
Step 600
600
#CD2455
oklch(55.6% 0.202 11.2)
-
Step 700
700 (this color)
#B01145
oklch(48.9% 0.187 11.1)
-
Step 800
800
#8F1639
oklch(42.6% 0.155 11.2)
-
Step 900
900
#731C31
oklch(37.6% 0.121 11.2)
-
Step 950
950
#44121D
oklch(26.9% 0.077 10.7)
#B01145 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) | #454546 | 0.211 |
| Deuteranopia (no green cones) | #6C6441 | 0.191 |
| Tritanopia (no blue cones) | #C1002B | 0.047 |
| Achromatopsia (no color) | #595959 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B01145
#B01145
oklch(48.9% 0.187 11.1)
- #006F6C
#006F6C
oklch(48.9% 0.084 191.5)
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 #B01145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.012
- Rouge #AB1239 ΔE 0.019
- Rose Red #BE013C ΔE 0.030
- Violet Red #A50055 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.043
- Cranberry #9E003A ΔE 0.044
- Firebrick #B22222 ΔE 0.051
- Brown #A52A2A ΔE 0.052
Use #B01145 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.