#2A101A
Closest named color: Dark Maroon (#3C0008). oklch(21.7% 0.045 357.2), rgb(42, 16, 26).
Aa
White text reads best on this color (17.68:1).
About this color
#2A101A is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.045 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.053 away. White text reads best on it, at 17.68:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.18:1 |
| White text | 17.68:1 |
Values
| HEX | #2A101A |
| RGB | rgb(42, 16, 26) |
| HSL | hsl(337, 45%, 11%) |
| OKLCH | oklch(21.7% 0.045 357.2) |
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 #2A101A | 17.68:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #2A101A | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #2A101A text on white | 17.68:1 | AAA | Lc 104.3 | Preferred for body text |
| #2A101A text on black | 1.18:1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F3E6EA
oklch(93.6% 0.015 356.6)
-
Step 200
200
#EBD1D9
oklch(88.4% 0.031 357.2)
-
Step 300
300
#DFB3C1
oklch(81% 0.054 357.4)
-
Step 400
400
#CD8AA1
oklch(70.7% 0.087 357.3)
-
Step 500
500
#BE6C8A
oklch(63.1% 0.11 357.3)
-
Step 600
600
#A95274
oklch(55.5% 0.12 357.1)
-
Step 700
700
#914361
oklch(49.2% 0.11 357.7)
-
Step 800
800
#76374F
oklch(42.7% 0.093 357.7)
-
Step 900
900
#5F3042
oklch(37.6% 0.072 356.8)
-
Step 950
950 (this color)
#2A101A
oklch(21.7% 0.045 357.2)
#2A101A 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) | #14151A | 0.049 |
| Deuteranopia (no green cones) | #1A1A19 | 0.046 |
| Tritanopia (no blue cones) | #2E0E14 | 0.014 |
| Achromatopsia (no color) | #181818 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A101A
#2A101A
oklch(21.7% 0.045 357.2)
- #00201A
#00201A
oklch(21.8% 0.04 177.8)
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 #2A101A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.065
- Eggplant #380835 ΔE 0.065
- Deep Brown #410200 ΔE 0.065
- Dark Plum #3F012C ΔE 0.067
- Dark Brown #341C02 ΔE 0.067
- Jet #212529 ΔE 0.067
- Very Dark Purple #2A0134 ΔE 0.069
Use #2A101A 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.