#451503
Closest named color: Chocolate Brown (#411900). oklch(27.1% 0.079 40.1), rgb(69, 21, 3).
Aa
White text reads best on this color (15.42:1).
About this color
#451503 is a dark, moderately saturated brown. In OKLCH its lightness is 27%, its chroma 0.079 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.014 away. White text reads best on it, at 15.42:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.36:1 |
| White text | 15.42:1 |
Values
| HEX | #451503 |
| RGB | rgb(69, 21, 3) |
| HSL | hsl(16, 92%, 14%) |
| OKLCH | oklch(27.1% 0.079 40.1) |
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 #451503 | 15.42:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #451503 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #451503 text on white | 15.42:1 | AAA | Lc 101.8 | Preferred for body text |
| #451503 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FBE4DC
oklch(93.5% 0.028 40.2)
-
Step 200
200
#F9CEC0
oklch(88.5% 0.053 38.8)
-
Step 300
300
#F5AC93
oklch(80.8% 0.093 39.7)
-
Step 400
400
#ED7C54
oklch(70.7% 0.15 39.9)
-
Step 500
500
#E45310
oklch(63.1% 0.192 39.9)
-
Step 600
600
#C34300
oklch(55.7% 0.174 40.1)
-
Step 700
700
#A43700
oklch(49% 0.153 40.1)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#722400
oklch(37.7% 0.117 40.3)
-
Step 950
950 (this color)
#451503
oklch(27.1% 0.079 40.1)
#451503 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) | #231E01 | 0.078 |
| Deuteranopia (no green cones) | #2F2902 | 0.071 |
| Tritanopia (no blue cones) | #4D0811 | 0.036 |
| Achromatopsia (no color) | #252525 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451503
#451503
oklch(27.1% 0.079 40.1)
- #002C37
#002C37
oklch(27.1% 0.049 219.4)
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 #451503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.014
- Mahogany #4A0100 ΔE 0.033
- Deep Brown #410200 ΔE 0.039
- Dark Brown #341C02 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.055
- Burgundy #610023 ΔE 0.083
- Claret #680018 ΔE 0.086
- Jet #212529 ΔE 0.088
Use #451503 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.