#42385D
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.063 295.6), rgb(66, 56, 93).
Aa
White text reads best on this color (10.73:1).
About this color
#42385D is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.055 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #42385D |
| RGB | rgb(66, 56, 93) |
| HSL | hsl(256, 25%, 29%) |
| OKLCH | oklch(36.8% 0.063 295.6) |
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 #42385D | 10.73:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #42385D | 1.95:1 | Fails | Lc 9.1 | Not readable |
| #42385D text on white | 10.73:1 | AAA | Lc 94.8 | Preferred for body text |
| #42385D 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E9
oklch(88.5% 0.026 295.5)
-
Step 300
300
#C3BBDD
oklch(81% 0.048 296.1)
-
Step 400
400
#A497CB
oklch(70.6% 0.076 295.9)
-
Step 500
500
#8E7DBE
oklch(63.1% 0.097 295.5)
-
Step 600
600
#7966AA
oklch(55.7% 0.105 295.7)
-
Step 700
700
#665492
oklch(49.1% 0.098 295.9)
-
Step 800
800
#534576
oklch(42.7% 0.081 296)
-
Step 900
900 (this color)
#42385D
oklch(36.8% 0.063 295.6)
-
Step 950
950
#282238
oklch(26.9% 0.041 296.1)
#42385D 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) | #2E3E5E | 0.034 |
| Deuteranopia (no green cones) | #303D5C | 0.031 |
| Tritanopia (no blue cones) | #3C3E46 | 0.051 |
| Achromatopsia (no color) | #3E3E3E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42385D
#42385D
oklch(36.8% 0.063 295.6)
- #3E4319
#3E4319
oklch(36.8% 0.063 115.2)
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 #42385D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.059
- Onyx #343A40 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.063
- Charcoal #264653 ΔE 0.063
- Gunmetal #293241 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.069
Use #42385D 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.