#493151
Closest named color: Onyx (#343A40). oklch(35.5% 0.062 317.4), rgb(73, 49, 81).
Aa
White text reads best on this color (11.40:1).
About this color
#493151 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.062 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.059 away. White text reads best on it, at 11.40:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #493151 |
| RGB | rgb(73, 49, 81) |
| HSL | hsl(285, 25%, 25%) |
| OKLCH | oklch(35.5% 0.062 317.4) |
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 #493151 | 11.40:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #493151 | 1.84:1 | Fails | Lc 7.7 | Not readable |
| #493151 text on white | 11.40:1 | AAA | Lc 96.2 | Preferred for body text |
| #493151 text on black | 1.84:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CDB8D5
oklch(80.9% 0.046 316.7)
-
Step 400
400
#B492BF
oklch(70.6% 0.075 317.8)
-
Step 500
500
#A177AF
oklch(63.1% 0.095 317.5)
-
Step 600
600
#8C5F9B
oklch(55.6% 0.104 317.4)
-
Step 700
700
#774E84
oklch(49.1% 0.096 317.8)
-
Step 800
800
#61406B
oklch(42.6% 0.08 318.1)
-
Step 900
900 (this color)
#493151
oklch(35.5% 0.062 317.4)
-
Step 950
950
#2E2033
oklch(26.9% 0.04 317)
#493151 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) | #2C3852 | 0.052 |
| Deuteranopia (no green cones) | #323B50 | 0.048 |
| Tritanopia (no blue cones) | #49353D | 0.041 |
| Achromatopsia (no color) | #3A3A3A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493151
#493151
oklch(35.5% 0.062 317.4)
- #2B4322
#2B4322
oklch(35.4% 0.062 137.6)
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 #493151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.064
- Gunmetal #293241 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.071
- Grape Purple #5D1451 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.075
Use #493151 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.