#290303
Closest named color: Very Dark Brown (#1D0200). oklch(18.4% 0.065 26.5), rgb(41, 3, 3).
Aa
White text reads best on this color (18.94:1).
About this color
#290303 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.065 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 18.94:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.94:1 |
Values
| HEX | #290303 |
| RGB | rgb(41, 3, 3) |
| HSL | hsl(0, 86%, 9%) |
| OKLCH | oklch(18.4% 0.065 26.5) |
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 #290303 | 18.94:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #290303 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #290303 text on white | 18.94:1 | AAA | Lc 104.9 | Preferred for body text |
| #290303 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EFAEA6
oklch(81% 0.078 26.8)
-
Step 400
400
#E38077
oklch(70.6% 0.124 26.1)
-
Step 500
500
#D85C54
oklch(63% 0.158 26.3)
-
Step 600
600
#C43D38
oklch(55.6% 0.172 26.5)
-
Step 700
700
#A92E2B
oklch(49.2% 0.16 26.4)
-
Step 800
800
#892824
oklch(42.7% 0.132 26.7)
-
Step 900
900
#6E2622
oklch(37.6% 0.103 26.4)
-
Step 950
950 (this color)
#290303
oklch(18.4% 0.065 26.5)
#290303 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) | #0D0B03 | 0.071 |
| Deuteranopia (no green cones) | #171402 | 0.066 |
| Tritanopia (no blue cones) | #2E0003 | 0.014 |
| Achromatopsia (no color) | #111111 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #290303
#290303
oklch(18.4% 0.065 26.5)
- #001619
#001619
oklch(18.3% 0.031 206.1)
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 #290303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.049
- Deep Brown #410200 ΔE 0.062
- Dark Brown #341C02 ΔE 0.081
- Almost Black #070D0D ΔE 0.081
- Mahogany #4A0100 ΔE 0.084
- Chocolate Brown #411900 ΔE 0.090
- Dark Plum #3F012C ΔE 0.094
Use #290303 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.