#3E508D
Closest named color: Twilight (#4E518B). oklch(44.7% 0.102 269.5), rgb(62, 80, 141).
Aa
White text reads best on this color (7.67:1).
About this color
#3E508D is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.102 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 7.67:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #3E508D |
| RGB | rgb(62, 80, 141) |
| HSL | hsl(226, 39%, 40%) |
| OKLCH | oklch(44.7% 0.102 269.5) |
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 #3E508D | 7.67:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #3E508D | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #3E508D text on white | 7.67:1 | AAA | Lc 86.5 | Fine for body text |
| #3E508D text on black | 2.73:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1C0E8
oklch(81% 0.059 268.9)
-
Step 400
400
#899EDD
oklch(70.7% 0.096 269.7)
-
Step 500
500
#6C85D4
oklch(63.2% 0.123 269.4)
-
Step 600
600
#556DC1
oklch(55.7% 0.133 269.7)
-
Step 700
700
#455BA6
oklch(49.2% 0.123 269.2)
-
Step 800
800 (this color)
#3E508D
oklch(44.7% 0.102 269.5)
-
Step 900
900
#313F6C
oklch(37.8% 0.079 269.3)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#3E508D 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) | #36578F | 0.021 |
| Deuteranopia (no green cones) | #2D508C | 0.020 |
| Tritanopia (no blue cones) | #135D67 | 0.092 |
| Achromatopsia (no color) | #535353 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E508D
#3E508D
oklch(44.7% 0.102 269.5)
- #685100
#685100
oklch(44.6% 0.091 89.7)
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 #3E508D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Dusk Blue #26538D ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.031
- Dusk #4E5481 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Light Navy #155084 ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Blueberry #464196 ΔE 0.045
Use #3E508D 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.