#452F37
Closest named color: Onyx (#343A40). oklch(33.4% 0.034 355.6), rgb(69, 47, 55).
Aa
White text reads best on this color (12.24:1).
About this color
#452F37 is a dark, muted red. In OKLCH its lightness is 33%, its chroma 0.034 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.042 away. White text reads best on it, at 12.24:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #452F37 |
| RGB | rgb(69, 47, 55) |
| HSL | hsl(338, 19%, 23%) |
| OKLCH | oklch(33.4% 0.034 355.6) |
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 #452F37 | 12.24:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #452F37 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #452F37 text on white | 12.24:1 | AAA | Lc 97.9 | Preferred for body text |
| #452F37 text on black | 1.71:1 | 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 900.
-
Step 50
50
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E2D5D9
oklch(88.5% 0.015 356.7)
-
Step 300
300
#CFBAC1
oklch(80.9% 0.026 355.5)
-
Step 400
400
#B796A1
oklch(70.6% 0.042 356.2)
-
Step 500
500
#A47D8B
oklch(63.2% 0.052 355.3)
-
Step 600
600
#8F6575
oklch(55.5% 0.058 354.6)
-
Step 700
700
#7A5462
oklch(49.1% 0.054 355.5)
-
Step 800
800
#634550
oklch(42.7% 0.044 355.4)
-
Step 900
900 (this color)
#452F37
oklch(33.4% 0.034 355.6)
-
Step 950
950
#2F2227
oklch(26.9% 0.022 353.7)
#452F37 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) | #313337 | 0.038 |
| Deuteranopia (no green cones) | #373736 | 0.035 |
| Tritanopia (no blue cones) | #482E32 | 0.010 |
| Achromatopsia (no color) | #353535 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #452F37
#452F37
oklch(33.4% 0.034 355.6)
- #223C35
#223C35
oklch(33.3% 0.035 175.1)
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 #452F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.042
- Gunmetal #293241 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.070
- Purple Brown #673A3F ΔE 0.078
- Prussian Blue #1D3557 ΔE 0.081
- Jet #212529 ΔE 0.081
Use #452F37 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.