#42335F
Closest named color: Prussian Blue (#1D3557). oklch(35.9% 0.076 298.2), rgb(66, 51, 95).
Aa
White text reads best on this color (11.22:1).
About this color
#42335F is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.076 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.060 away. White text reads best on it, at 11.22:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #42335F |
| RGB | rgb(66, 51, 95) |
| HSL | hsl(260, 30%, 29%) |
| OKLCH | oklch(35.9% 0.076 298.2) |
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 #42335F | 11.22:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #42335F | 1.87:1 | Fails | Lc 8.1 | Not readable |
| #42335F text on white | 11.22:1 | AAA | Lc 95.8 | Preferred for body text |
| #42335F text on black | 1.87:1 | 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
#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
#C5B9E1
oklch(80.9% 0.057 298.8)
-
Step 400
400
#A794D2
oklch(70.6% 0.091 298.1)
-
Step 500
500
#9279C6
oklch(63.1% 0.116 298)
-
Step 600
600
#7D61B3
oklch(55.7% 0.126 297.9)
-
Step 700
700
#6A509A
oklch(49.2% 0.117 298.2)
-
Step 800
800
#56417D
oklch(42.6% 0.099 298.3)
-
Step 900
900 (this color)
#42335F
oklch(35.9% 0.076 298.2)
-
Step 950
950
#29213B
oklch(27% 0.048 297.2)
#42335F 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) | #263B61 | 0.047 |
| Deuteranopia (no green cones) | #293A5E | 0.043 |
| Tritanopia (no blue cones) | #3C3B44 | 0.060 |
| Achromatopsia (no color) | #3B3B3B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42335F
#42335F
oklch(35.9% 0.076 298.2)
- #39420B
#39420B
oklch(35.9% 0.076 118.6)
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 #42335F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.069
- Onyx #343A40 ΔE 0.069
- Gunmetal #293241 ΔE 0.070
- Marine Blue #01386A ΔE 0.076
- Charcoal #264653 ΔE 0.077
Use #42335F 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.