#23040A
Closest named color: Very Dark Brown (#1D0200). oklch(17.4% 0.055 11.4), rgb(35, 4, 10).
Aa
White text reads best on this color (19.20:1).
About this color
#23040A is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.055 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.032 away. White text reads best on it, at 19.20:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.20:1 |
Values
| HEX | #23040A |
| RGB | rgb(35, 4, 10) |
| HSL | hsl(348, 79%, 8%) |
| OKLCH | oklch(17.4% 0.055 11.4) |
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 #23040A | 19.20:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #23040A | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #23040A text on white | 19.20:1 | AAA | Lc 105.2 | Preferred for body text |
| #23040A text on black | 1.09:1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E7
oklch(93.6% 0.019 9.3)
-
Step 200
200
#F0D0D3
oklch(88.5% 0.036 11.4)
-
Step 300
300
#E7B0B6
oklch(80.9% 0.065 11.3)
-
Step 400
400
#D98590
oklch(70.8% 0.104 11.6)
-
Step 500
500
#CC6475
oklch(63.1% 0.132 11.4)
-
Step 600
600
#B7485D
oklch(55.5% 0.144 11.6)
-
Step 700
700
#9E394D
oklch(49.2% 0.135 11.6)
-
Step 800
800
#80303F
oklch(42.7% 0.111 11.7)
-
Step 900
900
#672B36
oklch(37.6% 0.087 10.8)
-
Step 950
950 (this color)
#23040A
oklch(17.4% 0.055 11.4)
#23040A 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) | #0B0A0A | 0.060 |
| Deuteranopia (no green cones) | #131109 | 0.056 |
| Tritanopia (no blue cones) | #270106 | 0.013 |
| Achromatopsia (no color) | #0F0F0F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23040A
#23040A
oklch(17.4% 0.055 11.4)
- #001413
#001413
oklch(17.3% 0.03 190.8)
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 #23040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.032
- Dark Maroon #3C0008 ΔE 0.063
- Almost Black #070D0D ΔE 0.068
- Deep Brown #410200 ΔE 0.079
- Rich Navy #001219 ΔE 0.084
- Very Dark Purple #2A0134 ΔE 0.086
- Rich Black #0D1B2A ΔE 0.090
- Midnight Purple #280137 ΔE 0.092
Use #23040A 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.