#45131B
Closest named color: Mahogany (#4A0100). oklch(27.2% 0.077 14.4), rgb(69, 19, 27).
Aa
White text reads best on this color (15.41:1).
About this color
#45131B is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.077 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.039 away. White text reads best on it, at 15.41:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #45131B |
| RGB | rgb(69, 19, 27) |
| HSL | hsl(350, 57%, 17%) |
| OKLCH | oklch(27.2% 0.077 14.4) |
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 #45131B | 15.41:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #45131B | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #45131B text on white | 15.41:1 | AAA | Lc 101.8 | Preferred for body text |
| #45131B text on black | 1.36:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCF
oklch(88.5% 0.051 13.7)
-
Step 300
300
#F5A9AE
oklch(80.9% 0.09 14.9)
-
Step 400
400
#EC7784
oklch(70.7% 0.144 14.5)
-
Step 500
500
#E34C66
oklch(63.1% 0.186 14.2)
-
Step 600
600
#CE244D
oklch(55.6% 0.202 14.4)
-
Step 700
700
#B2113E
oklch(49.1% 0.188 14.4)
-
Step 800
800
#901633
oklch(42.7% 0.155 14.6)
-
Step 900
900
#741C2D
oklch(37.7% 0.121 14.3)
-
Step 950
950 (this color)
#45131B
oklch(27.2% 0.077 14.4)
#45131B 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) | #1F1E1B | 0.084 |
| Deuteranopia (no green cones) | #2C281A | 0.076 |
| Tritanopia (no blue cones) | #4C0A16 | 0.019 |
| Achromatopsia (no color) | #252525 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45131B
#45131B
oklch(27.2% 0.077 14.4)
- #002E2E
#002E2E
oklch(27.3% 0.047 194.8)
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 #45131B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.045
- Deep Brown #410200 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.050
- Dark Plum #3F012C ΔE 0.059
- Dark Brown #341C02 ΔE 0.062
- Aubergine #3D0734 ΔE 0.064
- Burgundy #610023 ΔE 0.066
Use #45131B 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.