#40283A
Closest named color: Space Cadet (#2B2D42). oklch(31.3% 0.046 336.2), rgb(64, 40, 58).
Aa
White text reads best on this color (13.26:1).
About this color
#40283A is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.046 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 13.26:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.26:1 |
Values
| HEX | #40283A |
| RGB | rgb(64, 40, 58) |
| HSL | hsl(315, 23%, 20%) |
| OKLCH | oklch(31.3% 0.046 336.2) |
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 #40283A | 13.26:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #40283A | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #40283A text on white | 13.26:1 | AAA | Lc 99.6 | Preferred for body text |
| #40283A text on black | 1.58:1 | 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 950.
-
Step 50
50
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E7D2E1
oklch(88.5% 0.031 335.9)
-
Step 300
300
#D8B4CE
oklch(80.9% 0.054 336.1)
-
Step 400
400
#C48CB5
oklch(70.8% 0.087 336.6)
-
Step 500
500
#B36EA3
oklch(63% 0.112 335.8)
-
Step 600
600
#9E558E
oklch(55.5% 0.121 335.8)
-
Step 700
700
#874579
oklch(49% 0.113 335.7)
-
Step 800
800
#6E3962
oklch(42.6% 0.094 336.2)
-
Step 900
900
#593250
oklch(37.7% 0.072 336)
-
Step 950
950 (this color)
#40283A
oklch(31.3% 0.046 336.2)
#40283A 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) | #282D3B | 0.046 |
| Deuteranopia (no green cones) | #2E3139 | 0.042 |
| Tritanopia (no blue cones) | #42292E | 0.023 |
| Achromatopsia (no color) | #303030 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40283A
#40283A
oklch(31.3% 0.046 336.2)
- #1C3827
#1C3827
oklch(31.3% 0.046 155.9)
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 #40283A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Gunmetal #293241 ΔE 0.048
- Onyx #343A40 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.069
- Jet #212529 ΔE 0.069
- Dark #1B2431 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.076
Use #40283A 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.