#5138AD
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(44.1% 0.177 286.5), rgb(81, 56, 173).
Aa
White text reads best on this color (8.33:1).
About this color
#5138AD is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.177 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.041 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #5138AD |
| RGB | rgb(81, 56, 173) |
| HSL | hsl(253, 51%, 45%) |
| OKLCH | oklch(44.1% 0.177 286.5) |
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 #5138AD | 8.33:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #5138AD | 2.51:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #5138AD text on white | 8.33:1 | AAA | Lc 88.2 | Fine for body text |
| #5138AD text on black | 2.51:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D5D4FE
oklch(88.4% 0.058 286.3)
-
Step 300
300
#BBB7FF
oklch(80.9% 0.101 286.5)
-
Step 400
400
#9B8EFF
oklch(70.7% 0.161 286.8)
-
Step 500
500
#856CFF
oklch(63.1% 0.209 286.6)
-
Step 600
600
#714DEF
oklch(55.6% 0.229 286.5)
-
Step 700
700
#5F3CD0
oklch(49% 0.213 286.4)
-
Step 800
800 (this color)
#5138AD
oklch(44.1% 0.177 286.5)
-
Step 900
900
#402F85
oklch(37.7% 0.137 286.9)
-
Step 950
950
#251D4E
oklch(27.1% 0.087 286.6)
#5138AD 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) | #0051B1 | 0.087 |
| Deuteranopia (no green cones) | #004BAB | 0.083 |
| Tritanopia (no blue cones) | #2C566E | 0.146 |
| Achromatopsia (no color) | #4E4E4E | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5138AD
#5138AD
oklch(44.1% 0.177 286.5)
- #5A5600
#5A5600
oklch(44.3% 0.095 106.6)
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 #5138AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Blueberry #464196 ΔE 0.045
- Blurple #5539CC ΔE 0.050
- Rebecca Purple #663399 ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.060
Use #5138AD 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.