#B6003C
Closest named color: Rose Red (#BE013C). oklch(49.4% 0.197 14.7), rgb(182, 0, 60).
Aa
White text reads best on this color (6.87:1).
About this color
#B6003C is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.197 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.017 away. White text reads best on it, at 6.87:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #B6003C |
| RGB | rgb(182, 0, 60) |
| HSL | hsl(340, 100%, 36%) |
| OKLCH | oklch(49.4% 0.197 14.7) |
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 #B6003C | 6.87:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #B6003C | 3.05:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #B6003C text on white | 6.87:1 | AA | Lc 81.2 | Fine for body text |
| #B6003C text on black | 3.05:1 | AA large text | Lc -20.7 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCE
oklch(88.6% 0.052 15.2)
-
Step 300
300
#F8A7AD
oklch(80.9% 0.096 14.6)
-
Step 400
400
#F07482
oklch(70.7% 0.153 14.8)
-
Step 500
500
#E64763
oklch(63% 0.195 14.7)
-
Step 600
600
#D2174A
oklch(55.6% 0.213 14.7)
-
Step 700
700 (this color)
#B6003C
oklch(49.4% 0.197 14.7)
-
Step 800
800
#930C31
oklch(42.7% 0.163 14.8)
-
Step 900
900
#76182B
oklch(37.6% 0.127 14.8)
-
Step 950
950
#46111A
oklch(27.1% 0.081 14.5)
#B6003C 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) | #46443C | 0.223 |
| Deuteranopia (no green cones) | #706637 | 0.201 |
| Tritanopia (no blue cones) | #C80022 | 0.049 |
| Achromatopsia (no color) | #5A5A5A | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B6003C
#B6003C
oklch(49.4% 0.197 14.7)
- #007070
#007070
oklch(49.4% 0.084 194.8)
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 #B6003C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.017
- Rouge #AB1239 ΔE 0.023
- Raspberry #B00149 ΔE 0.024
- Lipstick Red #C0022F ΔE 0.028
- Scarlet #BE0119 ΔE 0.042
- Firebrick #B22222 ΔE 0.043
- Ruby #CA0147 ΔE 0.044
- Brown #A52A2A ΔE 0.052
Use #B6003C 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.