#401721
Closest named color: Chocolate Brown (#411900). oklch(27.1% 0.065 7.2), rgb(64, 23, 33).
Aa
White text reads best on this color (15.41:1).
About this color
#401721 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.065 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.050 away. White text reads best on it, at 15.41:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #401721 |
| RGB | rgb(64, 23, 33) |
| HSL | hsl(345, 47%, 17%) |
| OKLCH | oklch(27.1% 0.065 7.2) |
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 #401721 | 15.41:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #401721 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #401721 text on white | 15.41:1 | AAA | Lc 102.0 | Preferred for body text |
| #401721 text on black | 1.36:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F3CED4
oklch(88.4% 0.042 7)
-
Step 300
300
#EDACB8
oklch(80.9% 0.078 6.7)
-
Step 400
400
#E17E93
oklch(70.7% 0.124 7.2)
-
Step 500
500
#D55A79
oklch(63.1% 0.157 7.1)
-
Step 600
600
#C03B62
oklch(55.6% 0.171 7)
-
Step 700
700
#A52C51
oklch(49.1% 0.158 7)
-
Step 800
800
#862642
oklch(42.6% 0.131 7.1)
-
Step 900
900
#6C2538
oklch(37.6% 0.102 7)
-
Step 950
950 (this color)
#401721
oklch(27.1% 0.065 7.2)
#401721 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) | #1F2021 | 0.072 |
| Deuteranopia (no green cones) | #2A2820 | 0.066 |
| Tritanopia (no blue cones) | #46121B | 0.017 |
| Achromatopsia (no color) | #252525 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401721
#401721
oklch(27.1% 0.065 7.2)
- #002E2B
#002E2B
oklch(27.1% 0.047 188)
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 #401721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.050
- Mahogany #4A0100 ΔE 0.053
- Deep Brown #410200 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.055
- Dark Plum #3F012C ΔE 0.056
- Aubergine #3D0734 ΔE 0.058
- Dark Brown #341C02 ΔE 0.060
- Eggplant #380835 ΔE 0.063
Use #401721 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.