#42334F
Closest named color: Onyx (#343A40). oklch(35% 0.051 308.4), rgb(66, 51, 79).
Aa
White text reads best on this color (11.55:1).
About this color
#42334F is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.051 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.046 away. White text reads best on it, at 11.55:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #42334F |
| RGB | rgb(66, 51, 79) |
| HSL | hsl(272, 22%, 25%) |
| OKLCH | oklch(35% 0.051 308.4) |
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 #42334F | 11.55:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #42334F | 1.81:1 | Fails | Lc 7.3 | Not readable |
| #42334F text on white | 11.55:1 | AAA | Lc 96.6 | Preferred for body text |
| #42334F text on black | 1.81:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD6E4
oklch(88.6% 0.02 308.2)
-
Step 300
300
#C8BAD4
oklch(80.9% 0.039 309.5)
-
Step 400
400
#AB97BE
oklch(70.7% 0.06 308.1)
-
Step 500
500
#977DAE
oklch(63.2% 0.078 308.4)
-
Step 600
600
#81659A
oklch(55.5% 0.086 308)
-
Step 700
700
#6D5483
oklch(49% 0.079 308.1)
-
Step 800
800
#59456B
oklch(42.7% 0.066 307.9)
-
Step 900
900 (this color)
#42334F
oklch(35% 0.051 308.4)
-
Step 950
950
#2B2233
oklch(27% 0.033 308.4)
#42334F 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) | #2E3850 | 0.035 |
| Deuteranopia (no green cones) | #31394E | 0.033 |
| Tritanopia (no blue cones) | #40373D | 0.038 |
| Achromatopsia (no color) | #393939 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42334F
#42334F
oklch(35% 0.051 308.4)
- #324022
#324022
oklch(35% 0.052 129.2)
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 #42334F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.046
- Gunmetal #293241 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.064
- Charcoal #264653 ΔE 0.068
Use #42334F 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.