#45371B
Closest named color: Dark Olive (#373E02). oklch(34.5% 0.047 83.3), rgb(69, 55, 27).
Aa
White text reads best on this color (11.56:1).
About this color
#45371B is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.047 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.046 away. White text reads best on it, at 11.56:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.56:1 |
Values
| HEX | #45371B |
| RGB | rgb(69, 55, 27) |
| HSL | hsl(40, 44%, 19%) |
| OKLCH | oklch(34.5% 0.047 83.3) |
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 #45371B | 11.56:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #45371B | 1.81:1 | Fails | Lc 7.3 | Not readable |
| #45371B text on white | 11.56:1 | AAA | Lc 96.6 | Preferred for body text |
| #45371B text on black | 1.81:1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E2
oklch(93.5% 0.01 81.8)
-
Step 200
200
#DFD8CB
oklch(88.4% 0.019 83.1)
-
Step 300
300
#CCBFA7
oklch(80.9% 0.036 82.9)
-
Step 400
400
#B29E78
oklch(70.7% 0.057 83.3)
-
Step 500
500
#9F8656
oklch(63.2% 0.072 83)
-
Step 600
600
#896F3A
oklch(55.5% 0.078 83.6)
-
Step 700
700
#755D2C
oklch(49.2% 0.074 83.3)
-
Step 800
800
#5F4C26
oklch(42.7% 0.06 83.2)
-
Step 900
900 (this color)
#45371B
oklch(34.5% 0.047 83.3)
-
Step 950
950
#2D2515
oklch(26.9% 0.03 84)
#45371B 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) | #3D3719 | 0.016 |
| Deuteranopia (no green cones) | #413A1C | 0.011 |
| Tritanopia (no blue cones) | #4B3330 | 0.040 |
| Achromatopsia (no color) | #393939 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45371B
#45371B
oklch(34.5% 0.047 83.3)
- #2C3952
#2C3952
oklch(34.5% 0.047 263)
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 #45371B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.046
- Pakistan Green #283618 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.060
- Mud Brown #60460F ΔE 0.074
- Evergreen #05472A ΔE 0.081
- Gunmetal #293241 ΔE 0.082
- Green Brown #544E03 ΔE 0.085
Use #45371B 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.