#BC3927
Closest named color: Dull Red (#BB3F3F). oklch(53.6% 0.171 31), rgb(188, 57, 39).
Aa
White text reads best on this color (5.59:1).
About this color
#BC3927 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.171 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.024 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #BC3927 |
| RGB | rgb(188, 57, 39) |
| HSL | hsl(7, 66%, 45%) |
| OKLCH | oklch(53.6% 0.171 31) |
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 #BC3927 | 5.59:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #BC3927 | 3.75:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #BC3927 text on white | 5.59:1 | AA | Lc 76.8 | Fine for body text |
| #BC3927 text on black | 3.75:1 | AA large text | Lc -24.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F4CFC8
oklch(88.4% 0.043 30.5)
-
Step 300
300
#EEAFA3
oklch(81% 0.076 31)
-
Step 400
400
#E38271
oklch(70.8% 0.123 30.9)
-
Step 500
500
#D85E4B
oklch(63.1% 0.158 30.9)
-
Step 600
600 (this color)
#BC3927
oklch(53.6% 0.171 31)
-
Step 700
700
#A83020
oklch(49.1% 0.159 30.9)
-
Step 800
800
#882A1C
oklch(42.7% 0.131 31.3)
-
Step 900
900
#6E281D
oklch(37.8% 0.102 31.2)
-
Step 950
950
#411812
oklch(27% 0.065 30.3)
#BC3927 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) | #5F5524 | 0.180 |
| Deuteranopia (no green cones) | #807221 | 0.163 |
| Tritanopia (no blue cones) | #CF0536 | 0.059 |
| Achromatopsia (no color) | #686868 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC3927
#BC3927
oklch(53.6% 0.171 31)
- #007B8C
#007B8C
oklch(53.5% 0.093 211.5)
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 #BC3927, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.024
- Sinopia #BB3E03 ΔE 0.024
- Rusty Red #AF2F0D ΔE 0.037
- Firebrick #B22222 ΔE 0.042
- Brick Orange #C14A09 ΔE 0.043
- Dusty Red #B9484E ΔE 0.043
- Scarlet #BE0119 ΔE 0.049
- Rufous #AE2012 ΔE 0.050
Use #BC3927 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.