#2A0403
Closest named color: Very Dark Brown (#1D0200). oklch(18.8% 0.065 28), rgb(42, 4, 3).
Aa
White text reads best on this color (18.79:1).
About this color
#2A0403 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.065 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.039 away. White text reads best on it, at 18.79:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.11:1 |
| White text | 18.79:1 |
Values
| HEX | #2A0403 |
| RGB | rgb(42, 4, 3) |
| HSL | hsl(2, 87%, 9%) |
| OKLCH | oklch(18.8% 0.065 28) |
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 #2A0403 | 18.79:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #2A0403 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #2A0403 text on white | 18.79:1 | AAA | Lc 104.8 | Preferred for body text |
| #2A0403 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
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EEAEA5
oklch(80.8% 0.077 27.9)
-
Step 400
400
#E38175
oklch(70.7% 0.123 27.9)
-
Step 500
500
#D85D51
oklch(63.1% 0.157 28)
-
Step 600
600
#C33F35
oklch(55.6% 0.17 28.2)
-
Step 700
700
#A82F28
oklch(49.1% 0.159 27.9)
-
Step 800
800
#882922
oklch(42.6% 0.131 28.1)
-
Step 900
900
#6E2721
oklch(37.7% 0.102 27.8)
-
Step 950
950 (this color)
#2A0403
oklch(18.8% 0.065 28)
#2A0403 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) | #0F0C03 | 0.068 |
| Deuteranopia (no green cones) | #181502 | 0.065 |
| Tritanopia (no blue cones) | #2F0004 | 0.016 |
| Achromatopsia (no color) | #121212 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A0403
#2A0403
oklch(18.8% 0.065 28)
- #00171B
#00171B
oklch(18.7% 0.032 209.4)
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 #2A0403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.039
- Dark Maroon #3C0008 ΔE 0.046
- Deep Brown #410200 ΔE 0.058
- Dark Brown #341C02 ΔE 0.076
- Mahogany #4A0100 ΔE 0.080
- Almost Black #070D0D ΔE 0.083
- Chocolate Brown #411900 ΔE 0.086
- Dark Plum #3F012C ΔE 0.092
Use #2A0403 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.