#2D0303
Closest named color: Dark Maroon (#3C0008). oklch(19.3% 0.07 26.9), rgb(45, 3, 3).
Aa
White text reads best on this color (18.65:1).
About this color
#2D0303 is a very dark, moderately saturated red. In OKLCH its lightness is 19%, its chroma 0.070 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.039 away. White text reads best on it, at 18.65:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.12:1 |
| White text | 18.65:1 |
Values
| HEX | #2D0303 |
| RGB | rgb(45, 3, 3) |
| HSL | hsl(0, 88%, 9%) |
| OKLCH | oklch(19.3% 0.07 26.9) |
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 #2D0303 | 18.65:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #2D0303 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #2D0303 text on white | 18.65:1 | AAA | Lc 104.6 | Preferred for body text |
| #2D0303 text on black | 1.12:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CEC9
oklch(88.4% 0.046 26.4)
-
Step 300
300
#F2ACA4
oklch(80.9% 0.084 26.4)
-
Step 400
400
#E87D73
oklch(70.7% 0.134 26.5)
-
Step 500
500
#DD574E
oklch(63% 0.17 26.9)
-
Step 600
600
#C93632
oklch(55.7% 0.185 26.8)
-
Step 700
700
#AD2624
oklch(49.1% 0.172 26.9)
-
Step 800
800
#8C231F
oklch(42.7% 0.141 27.2)
-
Step 900
900
#71231F
oklch(37.7% 0.111 26.7)
-
Step 950
950 (this color)
#2D0303
oklch(19.3% 0.07 26.9)
#2D0303 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 | 0.076 |
| Deuteranopia (no green cones) | #1A1602 | 0.069 |
| Tritanopia (no blue cones) | #330003 | 0.015 |
| Achromatopsia (no color) | #131313 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D0303
#2D0303
oklch(19.3% 0.07 26.9)
- #00191C
#00191C
oklch(19.5% 0.033 205.3)
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 #2D0303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.039
- Very Dark Brown #1D0200 ΔE 0.046
- Deep Brown #410200 ΔE 0.051
- Mahogany #4A0100 ΔE 0.073
- Dark Brown #341C02 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.081
- Dark Plum #3F012C ΔE 0.088
- Almost Black #070D0D ΔE 0.090
Use #2D0303 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.