#39277D
Closest named color: Indigo (#4B0082). oklch(35% 0.138 286.5), rgb(57, 39, 125).
Aa
White text reads best on this color (11.92:1).
About this color
#39277D is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.138 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.060 away. White text reads best on it, at 11.92:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.76:1 |
| White text | 11.92:1 |
Values
| HEX | #39277D |
| RGB | rgb(57, 39, 125) |
| HSL | hsl(253, 52%, 32%) |
| OKLCH | oklch(35% 0.138 286.5) |
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 #39277D | 11.92:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #39277D | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #39277D text on white | 11.92:1 | AAA | Lc 96.8 | Preferred for body text |
| #39277D text on black | 1.76:1 | 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
#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
#714DF0
oklch(55.6% 0.23 286.4)
-
Step 700
700
#5F3CD1
oklch(49.1% 0.214 286.3)
-
Step 800
800
#4D33A8
oklch(42.6% 0.177 286.4)
-
Step 900
900 (this color)
#39277D
oklch(35% 0.138 286.5)
-
Step 950
950
#251D4E
oklch(27.1% 0.087 286.6)
#39277D 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) | #003980 | 0.068 |
| Deuteranopia (no green cones) | #00347B | 0.065 |
| Tritanopia (no blue cones) | #1E3D4E | 0.115 |
| Achromatopsia (no color) | #373737 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39277D
#39277D
oklch(35% 0.138 286.5)
- #403D00
#403D00
oklch(35.2% 0.075 106.6)
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 #39277D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.066
- Midnight Blue #191970 ΔE 0.071
- Royal Purple #4B006E ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.079
- Blueberry #464196 ΔE 0.079
- Marine Blue #01386A ΔE 0.079
- Twilight Blue #0A437A ΔE 0.083
Use #39277D 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.