#423263
Closest named color: Prussian Blue (#1D3557). oklch(35.9% 0.084 297.1), rgb(66, 50, 99).
Aa
White text reads best on this color (11.24:1).
About this color
#423263 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.084 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.062 away. White text reads best on it, at 11.24:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #423263 |
| RGB | rgb(66, 50, 99) |
| HSL | hsl(260, 33%, 29%) |
| OKLCH | oklch(35.9% 0.084 297.1) |
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 #423263 | 11.24:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #423263 | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #423263 text on white | 11.24:1 | AAA | Lc 95.8 | Preferred for body text |
| #423263 text on black | 1.86:1 | 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 900.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE8F5
oklch(93.7% 0.018 296.6)
-
Step 200
200
#DBD5EE
oklch(88.5% 0.035 296.7)
-
Step 300
300
#C4B9E5
oklch(80.9% 0.062 296.4)
-
Step 400
400
#A793D8
oklch(70.7% 0.101 297.1)
-
Step 500
500
#9277CD
oklch(63.1% 0.128 297)
-
Step 600
600
#7D5EBA
oklch(55.5% 0.14 297.2)
-
Step 700
700
#6A4DA0
oklch(49.1% 0.13 297.5)
-
Step 800
800
#564082
oklch(42.7% 0.107 297)
-
Step 900
900 (this color)
#423263
oklch(35.9% 0.084 297.1)
-
Step 950
950
#29203D
oklch(26.9% 0.054 296.9)
#423263 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) | #223B65 | 0.052 |
| Deuteranopia (no green cones) | #263A62 | 0.048 |
| Tritanopia (no blue cones) | #3B3B45 | 0.067 |
| Achromatopsia (no color) | #3B3B3B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423263
#423263
oklch(35.9% 0.084 297.1)
- #3A4200
#3A4200
oklch(35.9% 0.083 117.2)
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 #423263, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.074
- Marine Blue #01386A ΔE 0.075
- Gunmetal #293241 ΔE 0.076
- Onyx #343A40 ΔE 0.077
Use #423263 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.