#39100F
Closest named color: Deep Brown (#410200). oklch(24.1% 0.066 24.7), rgb(57, 16, 15).
Aa
White text reads best on this color (16.73:1).
About this color
#39100F is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.066 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.030 away. White text reads best on it, at 16.73:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.25:1 |
| White text | 16.73:1 |
Values
| HEX | #39100F |
| RGB | rgb(57, 16, 15) |
| HSL | hsl(1, 58%, 14%) |
| OKLCH | oklch(24.1% 0.066 24.7) |
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 #39100F | 16.73:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #39100F | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #39100F text on white | 16.73:1 | AAA | Lc 103.3 | Preferred for body text |
| #39100F text on black | 1.25:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#EFAEA8
oklch(81% 0.077 24.9)
-
Step 400
400
#E48079
oklch(70.8% 0.125 24.9)
-
Step 500
500
#D95B57
oklch(63.1% 0.16 24.6)
-
Step 600
600
#C43C3C
oklch(55.6% 0.173 24.7)
-
Step 700
700
#A92D2F
oklch(49.1% 0.16 24.6)
-
Step 800
800
#892727
oklch(42.6% 0.133 24.8)
-
Step 900
900
#6E2624
oklch(37.6% 0.103 24.9)
-
Step 950
950 (this color)
#39100F
oklch(24.1% 0.066 24.7)
#39100F 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) | #1B180F | 0.069 |
| Deuteranopia (no green cones) | #25210E | 0.064 |
| Tritanopia (no blue cones) | #3F0810 | 0.019 |
| Achromatopsia (no color) | #1E1E1E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39100F
#39100F
oklch(24.1% 0.066 24.7)
- #002529
#002529
oklch(24.1% 0.041 205.5)
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 #39100F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.030
- Dark Maroon #3C0008 ΔE 0.030
- Chocolate Brown #411900 ΔE 0.041
- Mahogany #4A0100 ΔE 0.043
- Dark Brown #341C02 ΔE 0.044
- Dark Plum #3F012C ΔE 0.068
- Aubergine #3D0734 ΔE 0.075
- Jet #212529 ΔE 0.076
Use #39100F 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.