#45370D
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.061 89.9), rgb(69, 55, 13).
Aa
White text reads best on this color (11.63:1).
About this color
#45370D is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.061 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.036 away. White text reads best on it, at 11.63:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #45370D |
| RGB | rgb(69, 55, 13) |
| HSL | hsl(45, 68%, 16%) |
| OKLCH | oklch(34.3% 0.061 89.9) |
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 #45370D | 11.63:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #45370D | 1.80:1 | Fails | Lc 0.0 | Not readable |
| #45370D text on white | 11.63:1 | AAA | Lc 96.7 | Preferred for body text |
| #45370D text on black | 1.80:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#DFD9C7
oklch(88.5% 0.025 91.6)
-
Step 300
300
#CCC0A0
oklch(80.9% 0.045 89.9)
-
Step 400
400
#B29F6B
oklch(70.7% 0.073 90.2)
-
Step 500
500
#9F8742
oklch(63.1% 0.093 90.4)
-
Step 600
600
#8A701F
oklch(55.6% 0.101 90.2)
-
Step 700
700
#755E10
oklch(49.1% 0.094 90.8)
-
Step 800
800
#604D12
oklch(42.8% 0.078 90.1)
-
Step 900
900 (this color)
#45370D
oklch(34.3% 0.061 89.9)
-
Step 950
950
#2E260F
oklch(27.2% 0.039 90.5)
#45370D 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) | #3E3607 | 0.015 |
| Deuteranopia (no green cones) | #423A0F | 0.010 |
| Tritanopia (no blue cones) | #4B322F | 0.055 |
| Achromatopsia (no color) | #393939 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45370D
#45370D
oklch(34.3% 0.061 89.9)
- #2C3758
#2C3758
oklch(34.3% 0.06 269.1)
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 #45370D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.036
- Pakistan Green #283618 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.070
- Mud Brown #60460F ΔE 0.072
- Onyx #343A40 ΔE 0.073
- Forrest Green #154406 ΔE 0.078
- Green Brown #544E03 ΔE 0.080
- Evergreen #05472A ΔE 0.080
Use #45370D 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.