#503979
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.106 298.1), rgb(80, 57, 121).
Aa
White text reads best on this color (9.53:1).
About this color
#503979 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.106 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 9.53:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #503979 |
| RGB | rgb(80, 57, 121) |
| HSL | hsl(262, 36%, 35%) |
| OKLCH | oklch(40.2% 0.106 298.1) |
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 #503979 | 9.53:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #503979 | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #503979 text on white | 9.53:1 | AAA | Lc 91.9 | Preferred for body text |
| #503979 text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F5
oklch(93.7% 0.018 296.6)
-
Step 200
200
#DBD5ED
oklch(88.5% 0.033 297.2)
-
Step 300
300
#C5B9E4
oklch(81% 0.061 297.8)
-
Step 400
400
#A893D6
oklch(70.7% 0.098 298.2)
-
Step 500
500
#9377CB
oklch(63% 0.126 298.1)
-
Step 600
600
#7E5EB8
oklch(55.5% 0.138 298.2)
-
Step 700
700
#6B4D9F
oklch(49.1% 0.129 298.4)
-
Step 800
800 (this color)
#503979
oklch(40.2% 0.106 298.1)
-
Step 900
900
#473767
oklch(37.7% 0.081 297.7)
-
Step 950
950
#2A203C
oklch(26.9% 0.052 299.3)
#503979 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) | #22457B | 0.070 |
| Deuteranopia (no green cones) | #284577 | 0.065 |
| Tritanopia (no blue cones) | #474553 | 0.082 |
| Achromatopsia (no color) | #454545 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503979
#503979
oklch(40.2% 0.106 298.1)
- #444E00
#444E00
oklch(40.1% 0.093 117.8)
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 #503979, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.052
- Twilight #4E518B ΔE 0.067
- Rebecca Purple #663399 ΔE 0.068
- Dusk #4E5481 ΔE 0.074
- Cobalt #1E488F ΔE 0.079
- Twilight Blue #0A437A ΔE 0.085
- Dusk Blue #26538D ΔE 0.086
Use #503979 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.