#3E39A6
Closest named color: Blueberry (#464196). oklch(42.1% 0.169 278.3), rgb(62, 57, 166).
Aa
White text reads best on this color (8.97:1).
About this color
#3E39A6 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.169 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.036 away. White text reads best on it, at 8.97:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.34:1 |
| White text | 8.97:1 |
Values
| HEX | #3E39A6 |
| RGB | rgb(62, 57, 166) |
| HSL | hsl(243, 49%, 44%) |
| OKLCH | oklch(42.1% 0.169 278.3) |
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 #3E39A6 | 8.97:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #3E39A6 | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #3E39A6 text on white | 8.97:1 | AAA | Lc 90.0 | Preferred for body text |
| #3E39A6 text on black | 2.34:1 | Fails | Lc -12.2 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7274FF
oklch(63% 0.202 278.3)
-
Step 600
600
#5E58EF
oklch(55.7% 0.219 278.3)
-
Step 700
700
#4E46D0
oklch(49.1% 0.205 278.3)
-
Step 800
800 (this color)
#3E39A6
oklch(42.1% 0.169 278.3)
-
Step 900
900
#353485
oklch(37.7% 0.132 278.5)
-
Step 950
950
#1F204E
oklch(27.2% 0.083 278.4)
#3E39A6 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) | #004EA9 | 0.063 |
| Deuteranopia (no green cones) | #0045A4 | 0.055 |
| Tritanopia (no blue cones) | #00556A | 0.142 |
| Achromatopsia (no color) | #494949 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E39A6
#3E39A6
oklch(42.1% 0.169 278.3)
- #5A4D00
#5A4D00
oklch(42.1% 0.087 98)
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 #3E39A6, closest first.
No curated palette has a color within ΔE 0.04 of #3E39A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.036
- Sapphire #2138AB ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.056
- Indigo Blue #3A18B1 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Cobalt #1E488F ΔE 0.063
- Blue Blue #2242C7 ΔE 0.063
Use #3E39A6 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.