#280506
Closest named color: Very Dark Brown (#1D0200). oklch(18.6% 0.06 23.1), rgb(40, 5, 6).
Aa
White text reads best on this color (18.84:1).
About this color
#280506 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.060 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.037 away. White text reads best on it, at 18.84:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.11:1 |
| White text | 18.84:1 |
Values
| HEX | #280506 |
| RGB | rgb(40, 5, 6) |
| HSL | hsl(358, 78%, 9%) |
| OKLCH | oklch(18.6% 0.06 23.1) |
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 #280506 | 18.84:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #280506 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #280506 text on white | 18.84:1 | AAA | Lc 104.9 | Preferred for body text |
| #280506 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CD
oklch(88.5% 0.039 23.9)
-
Step 300
300
#EBAFAB
oklch(80.8% 0.071 23.1)
-
Step 400
400
#DE837F
oklch(70.6% 0.113 23)
-
Step 500
500
#D2615F
oklch(63% 0.144 23.1)
-
Step 600
600
#BE4445
oklch(55.6% 0.157 23.3)
-
Step 700
700
#A33537
oklch(49.1% 0.145 23.2)
-
Step 800
800
#852D2E
oklch(42.8% 0.121 23.1)
-
Step 900
900
#6B2929
oklch(37.7% 0.095 22.8)
-
Step 950
950 (this color)
#280506
oklch(18.6% 0.06 23.1)
#280506 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) | #0E0C06 | 0.065 |
| Deuteranopia (no green cones) | #171405 | 0.060 |
| Tritanopia (no blue cones) | #2D0006 | 0.017 |
| Achromatopsia (no color) | #111111 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280506
#280506
oklch(18.6% 0.06 23.1)
- #001719
#001719
oklch(18.6% 0.032 202.2)
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 #280506, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.050
- Deep Brown #410200 ΔE 0.063
- Almost Black #070D0D ΔE 0.077
- Dark Brown #341C02 ΔE 0.079
- Mahogany #4A0100 ΔE 0.085
- Chocolate Brown #411900 ΔE 0.089
- Dark Plum #3F012C ΔE 0.091
Use #280506 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.