#280501
Closest named color: Very Dark Brown (#1D0200). oklch(18.5% 0.061 34.2), rgb(40, 5, 1).
Aa
White text reads best on this color (18.87:1).
About this color
#280501 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.061 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 18.87:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.11:1 |
| White text | 18.87:1 |
Values
| HEX | #280501 |
| RGB | rgb(40, 5, 1) |
| HSL | hsl(6, 95%, 8%) |
| OKLCH | oklch(18.5% 0.061 34.2) |
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 #280501 | 18.87:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #280501 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #280501 text on white | 18.87:1 | AAA | Lc 104.9 | Preferred for body text |
| #280501 text on black | 1.11:1 | 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
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#DF856F
oklch(70.7% 0.116 34.6)
-
Step 500
500
#D46249
oklch(63.1% 0.15 33.8)
-
Step 600
600
#BF462A
oklch(55.7% 0.161 34.4)
-
Step 700
700
#A4361D
oklch(49% 0.15 34.1)
-
Step 800
800
#862E1A
oklch(42.8% 0.125 34.2)
-
Step 900
900
#6C2A1C
oklch(37.7% 0.098 33.6)
-
Step 950
950 (this color)
#280501
oklch(18.5% 0.061 34.2)
#280501 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) | #0F0C01 | 0.064 |
| Deuteranopia (no green cones) | #181400 | 0.058 |
| Tritanopia (no blue cones) | #2D0004 | 0.021 |
| Achromatopsia (no color) | #111111 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280501
#280501
oklch(18.5% 0.061 34.2)
- #00161B
#00161B
oklch(18.4% 0.032 213.4)
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 #280501, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.034
- Dark Maroon #3C0008 ΔE 0.053
- Deep Brown #410200 ΔE 0.063
- Dark Brown #341C02 ΔE 0.075
- Almost Black #070D0D ΔE 0.078
- Mahogany #4A0100 ΔE 0.085
- Chocolate Brown #411900 ΔE 0.087
- Rich Navy #001219 ΔE 0.094
Use #280501 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.