#403354
Closest named color: Onyx (#343A40). oklch(35% 0.058 301.6), rgb(64, 51, 84).
Aa
White text reads best on this color (11.54:1).
About this color
#403354 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.058 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.052 away. White text reads best on it, at 11.54:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #403354 |
| RGB | rgb(64, 51, 84) |
| HSL | hsl(264, 24%, 26%) |
| OKLCH | oklch(35% 0.058 301.6) |
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 #403354 | 11.54:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #403354 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #403354 text on white | 11.54:1 | AAA | Lc 96.5 | Preferred for body text |
| #403354 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E7
oklch(88.6% 0.024 301.9)
-
Step 300
300
#C5BBD9
oklch(81% 0.043 300.6)
-
Step 400
400
#A897C6
oklch(70.8% 0.07 301.2)
-
Step 500
500
#937DB7
oklch(63.2% 0.089 301.3)
-
Step 600
600
#7E65A3
oklch(55.6% 0.097 301.9)
-
Step 700
700
#6A548B
oklch(49.1% 0.089 301.6)
-
Step 800
800
#564571
oklch(42.7% 0.074 301.1)
-
Step 900
900 (this color)
#403354
oklch(35% 0.058 301.6)
-
Step 950
950
#2A2236
oklch(27% 0.038 302.3)
#403354 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) | #2B3955 | 0.037 |
| Deuteranopia (no green cones) | #2E3953 | 0.034 |
| Tritanopia (no blue cones) | #3D383F | 0.045 |
| Achromatopsia (no color) | #393939 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403354
#403354
oklch(35% 0.058 301.6)
- #363F1B
#363F1B
oklch(35% 0.057 121)
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 #403354, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.053
- Gunmetal #293241 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.063
- Charcoal #264653 ΔE 0.068
Use #403354 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.