#B3174F
Closest named color: Raspberry (#B00149). oklch(50% 0.188 7.8), rgb(179, 23, 79).
Aa
White text reads best on this color (6.66:1).
About this color
#B3174F is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.188 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.016 away. White text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #B3174F |
| RGB | rgb(179, 23, 79) |
| HSL | hsl(338, 77%, 40%) |
| OKLCH | oklch(50% 0.188 7.8) |
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 #B3174F | 6.66:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #B3174F | 3.15:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #B3174F text on white | 6.66:1 | AA | Lc 81.1 | Fine for body text |
| #B3174F text on black | 3.15:1 | AA large text | Lc -20.8 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E6
oklch(93.6% 0.027 9)
-
Step 200
200
#F8CCD3
oklch(88.5% 0.05 7.4)
-
Step 300
300
#F4A8B6
oklch(80.8% 0.091 7.2)
-
Step 400
400
#EB7690
oklch(70.7% 0.146 7.5)
-
Step 500
500
#E14C74
oklch(63.2% 0.186 8)
-
Step 600
600
#CC245D
oklch(55.6% 0.202 7.8)
-
Step 700
700 (this color)
#B3174F
oklch(50% 0.188 7.8)
-
Step 800
800
#8F163F
oklch(42.8% 0.155 7.8)
-
Step 900
900
#731C35
oklch(37.7% 0.121 8.2)
-
Step 950
950
#44121F
oklch(27% 0.077 8.2)
#B3174F 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) | #464950 | 0.213 |
| Deuteranopia (no green cones) | #6E674B | 0.192 |
| Tritanopia (no blue cones) | #C40032 | 0.050 |
| Achromatopsia (no color) | #5C5C5C | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3174F
#B3174F
oklch(50% 0.188 7.8)
- #00736C
#00736C
oklch(50% 0.087 187.4)
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 #B3174F, closest first.
No curated palette has a color within ΔE 0.04 of #B3174F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.016
- Rose Red #BE013C ΔE 0.033
- Rouge #AB1239 ΔE 0.034
- Violet Red #A50055 ΔE 0.041
- Ruby #CA0147 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.048
- Deep Magenta #A0025C ΔE 0.055
- Light Burgundy #A8415B ΔE 0.056
Use #B3174F 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.