#451F18
Closest named color: Chocolate Brown (#411900). oklch(29.1% 0.06 31.8), rgb(69, 31, 24).
Aa
White text reads best on this color (14.36:1).
About this color
#451F18 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.060 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.032 away. White text reads best on it, at 14.36:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.46:1 |
| White text | 14.36:1 |
Values
| HEX | #451F18 |
| RGB | rgb(69, 31, 24) |
| HSL | hsl(9, 48%, 18%) |
| OKLCH | oklch(29.1% 0.06 31.8) |
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 #451F18 | 14.36:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #451F18 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #451F18 text on white | 14.36:1 | AAA | Lc 100.9 | Preferred for body text |
| #451F18 text on black | 1.46:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C9
oklch(88.4% 0.04 31.6)
-
Step 300
300
#EBB0A4
oklch(80.9% 0.072 31.7)
-
Step 400
400
#DE8573
oklch(70.7% 0.113 32.3)
-
Step 500
500
#D3634F
oklch(63.2% 0.146 31.8)
-
Step 600
600
#BE4632
oklch(55.6% 0.158 31.8)
-
Step 700
700
#A43625
oklch(49.1% 0.148 31.5)
-
Step 800
800
#852E20
oklch(42.7% 0.122 31.6)
-
Step 900
900
#6B2A1F
oklch(37.6% 0.096 31.6)
-
Step 950
950 (this color)
#451F18
oklch(29.1% 0.06 31.8)
#451F18 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) | #282517 | 0.062 |
| Deuteranopia (no green cones) | #322D17 | 0.056 |
| Tritanopia (no blue cones) | #4C191D | 0.023 |
| Achromatopsia (no color) | #2A2A2A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451F18
#451F18
oklch(29.1% 0.06 31.8)
- #00323A
#00323A
oklch(29.1% 0.051 211.6)
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 #451F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.032
- Dark Brown #341C02 ΔE 0.050
- Mahogany #4A0100 ΔE 0.056
- Deep Brown #410200 ΔE 0.063
- Jet #212529 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.074
- Burgundy #610023 ΔE 0.077
- Claret #680018 ΔE 0.082
Use #451F18 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.