#443663
Closest named color: Dark Grey Blue (#29465B). oklch(37% 0.077 296.8), rgb(68, 54, 99).
Aa
White text reads best on this color (10.74:1).
About this color
#443663 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.077 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.065 away. White text reads best on it, at 10.74:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #443663 |
| RGB | rgb(68, 54, 99) |
| HSL | hsl(259, 29%, 30%) |
| OKLCH | oklch(37% 0.077 296.8) |
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 #443663 | 10.74:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #443663 | 1.95:1 | Fails | Lc 9.1 | Not readable |
| #443663 text on white | 10.74:1 | AAA | Lc 94.8 | Preferred for body text |
| #443663 text on black | 1.95:1 | Fails | Lc -7.8 | 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 900.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5EC
oklch(88.5% 0.032 297.7)
-
Step 300
300
#C4B9E2
oklch(80.8% 0.058 297.4)
-
Step 400
400
#A695D3
oklch(70.7% 0.091 296.6)
-
Step 500
500
#9179C8
oklch(63.1% 0.118 296.9)
-
Step 600
600
#7C61B4
oklch(55.6% 0.127 297.1)
-
Step 700
700
#68509B
oklch(49.1% 0.118 296.6)
-
Step 800
800
#55427E
oklch(42.8% 0.098 296.6)
-
Step 900
900 (this color)
#443663
oklch(37% 0.077 296.8)
-
Step 950
950
#29213B
oklch(27% 0.048 297.2)
#443663 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) | #293E65 | 0.045 |
| Deuteranopia (no green cones) | #2B3D62 | 0.043 |
| Tritanopia (no blue cones) | #3E3E47 | 0.062 |
| Achromatopsia (no color) | #3E3E3E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #443663
#443663
oklch(37% 0.077 296.8)
- #3D440C
#3D440C
oklch(36.8% 0.076 116.6)
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 #443663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.073
- Onyx #343A40 ΔE 0.073
- Charcoal #264653 ΔE 0.075
- Twilight Blue #0A437A ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
Use #443663 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.