#40121C
Closest named color: Dark Maroon (#3C0008). oklch(26.1% 0.072 10.4), rgb(64, 18, 28).
Aa
White text reads best on this color (15.89:1).
About this color
#40121C is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.072 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.043 away. White text reads best on it, at 15.89:1.
| 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 | 15.89:1 |
Values
| HEX | #40121C |
| RGB | rgb(64, 18, 28) |
| HSL | hsl(347, 56%, 16%) |
| OKLCH | oklch(26.1% 0.072 10.4) |
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 #40121C | 15.89:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #40121C | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #40121C text on white | 15.89:1 | AAA | Lc 102.4 | Preferred for body text |
| #40121C 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
#FAE4E6
oklch(93.7% 0.024 11.3)
-
Step 200
200
#F7CDD2
oklch(88.6% 0.048 10)
-
Step 300
300
#F2AAB4
oklch(80.9% 0.086 10)
-
Step 400
400
#E77A8C
oklch(70.7% 0.135 10.7)
-
Step 500
500
#DD5270
oklch(63.1% 0.174 10.5)
-
Step 600
600
#C82F59
oklch(55.6% 0.189 10.3)
-
Step 700
700
#AC1F49
oklch(49% 0.176 10.2)
-
Step 800
800
#8C1D3C
oklch(42.7% 0.146 10.1)
-
Step 900
900
#712033
oklch(37.8% 0.114 10.6)
-
Step 950
950 (this color)
#40121C
oklch(26.1% 0.072 10.4)
#40121C 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) | #1C1C1C | 0.080 |
| Deuteranopia (no green cones) | #28261B | 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°).
- #40121C
#40121C
oklch(26.1% 0.072 10.4)
- #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 #40121C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.043
- Deep Brown #410200 ΔE 0.043
- Mahogany #4A0100 ΔE 0.044
- Chocolate Brown #411900 ΔE 0.049
- Dark Plum #3F012C ΔE 0.052
- Aubergine #3D0734 ΔE 0.057
- Dark Brown #341C02 ΔE 0.060
- Eggplant #380835 ΔE 0.063
Use #40121C 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.