#280400
Closest named color: Very Dark Brown (#1D0200). oklch(18.2% 0.064 35.2), rgb(40, 4, 0).
Aa
White text reads best on this color (18.96:1).
About this color
#280400 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.064 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.033 away. White text reads best on it, at 18.96:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.96:1 |
Values
| HEX | #280400 |
| RGB | rgb(40, 4, 0) |
| HSL | hsl(6, 100%, 8%) |
| OKLCH | oklch(18.2% 0.064 35.2) |
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 #280400 | 18.96:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #280400 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #280400 text on white | 18.96:1 | AAA | Lc 104.9 | Preferred for body text |
| #280400 text on black | 1.10:1 | 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
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C7
oklch(88.5% 0.041 34.8)
-
Step 300
300
#EDB0A0
oklch(81% 0.075 35.2)
-
Step 400
400
#E1846C
oklch(70.8% 0.12 35.3)
-
Step 500
500
#D66144
oklch(63.2% 0.154 35.1)
-
Step 600
600
#C14323
oklch(55.5% 0.168 35.1)
-
Step 700
700
#A63415
oklch(49.1% 0.155 35.3)
-
Step 800
800
#872C15
oklch(42.7% 0.129 35)
-
Step 900
900
#6D2918
oklch(37.7% 0.101 35.2)
-
Step 950
950 (this color)
#280400
oklch(18.2% 0.064 35.2)
#280400 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) | #0E0B00 | 0.067 |
| Deuteranopia (no green cones) | #171400 | 0.061 |
| Tritanopia (no blue cones) | #2D0003 | 0.019 |
| Achromatopsia (no color) | #101010 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #280400
#280400
oklch(18.2% 0.064 35.2)
- #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 #280400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.054
- Deep Brown #410200 ΔE 0.064
- Dark Brown #341C02 ΔE 0.078
- Almost Black #070D0D ΔE 0.079
- Mahogany #4A0100 ΔE 0.086
- Chocolate Brown #411900 ΔE 0.089
- Rich Navy #001219 ΔE 0.096
Use #280400 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.