#40121D
Closest named color: Dark Maroon (#3C0008). oklch(26.2% 0.072 9), rgb(64, 18, 29).
Aa
White text reads best on this color (15.88:1).
About this color
#40121D is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.072 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.044 away. White text reads best on it, at 15.88:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.32:1 |
| White text | 15.88:1 |
Values
| HEX | #40121D |
| RGB | rgb(64, 18, 29) |
| HSL | hsl(346, 56%, 16%) |
| OKLCH | oklch(26.2% 0.072 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 #40121D | 15.88:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #40121D | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #40121D text on white | 15.88:1 | AAA | Lc 102.4 | Preferred for body text |
| #40121D text on black | 1.32:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E6
oklch(93.5% 0.026 8.6)
-
Step 200
200
#F6CDD2
oklch(88.5% 0.047 9.8)
-
Step 300
300
#F2AAB5
oklch(80.9% 0.086 9.1)
-
Step 400
400
#E77A8F
oklch(70.7% 0.136 8.9)
-
Step 500
500
#DD5273
oklch(63.2% 0.175 9.2)
-
Step 600
600
#C82F5C
oklch(55.7% 0.189 9)
-
Step 700
700
#AC1F4B
oklch(49.1% 0.176 9.2)
-
Step 800
800
#8C1D3E
oklch(42.7% 0.146 8.9)
-
Step 900
900
#712035
oklch(37.8% 0.114 9)
-
Step 950
950 (this color)
#40121D
oklch(26.2% 0.072 9)
#40121D 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) | #1C1C1D | 0.080 |
| Deuteranopia (no green cones) | #28261C | 0.074 |
| Tritanopia (no blue cones) | #460B16 | 0.018 |
| Achromatopsia (no color) | #222222 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40121D
#40121D
oklch(26.2% 0.072 9)
- #002B29
#002B29
oklch(26.1% 0.045 190)
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 #40121D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.044
- Deep Brown #410200 ΔE 0.045
- Mahogany #4A0100 ΔE 0.045
- Dark Plum #3F012C ΔE 0.050
- Chocolate Brown #411900 ΔE 0.050
- Aubergine #3D0734 ΔE 0.056
- Eggplant #380835 ΔE 0.061
- Dark Brown #341C02 ΔE 0.061
Use #40121D 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.