#3E4D90
Closest named color: Twilight (#4E518B). oklch(44.3% 0.111 271.7), rgb(62, 77, 144).
Aa
White text reads best on this color (7.86:1).
About this color
#3E4D90 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.028 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #3E4D90 |
| RGB | rgb(62, 77, 144) |
| HSL | hsl(229, 40%, 40%) |
| OKLCH | oklch(44.3% 0.111 271.7) |
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 #3E4D90 | 7.86:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #3E4D90 | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #3E4D90 text on white | 7.86:1 | AAA | Lc 87.1 | Fine for body text |
| #3E4D90 text on black | 2.66:1 | Fails | Lc -15.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEB
oklch(80.9% 0.064 271.1)
-
Step 400
400
#899DE2
oklch(70.8% 0.104 271.2)
-
Step 500
500
#6D83D9
oklch(63.1% 0.132 271.4)
-
Step 600
600
#566AC7
oklch(55.5% 0.145 271.8)
-
Step 700
700
#4758AC
oklch(49.1% 0.135 272)
-
Step 800
800 (this color)
#3E4D90
oklch(44.3% 0.111 271.7)
-
Step 900
900
#323D6F
oklch(37.7% 0.087 272.3)
-
Step 950
950
#1D2441
oklch(26.9% 0.055 272)
#3E4D90 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) | #2F5593 | 0.026 |
| Deuteranopia (no green cones) | #244E8F | 0.029 |
| Tritanopia (no blue cones) | #0F5C67 | 0.100 |
| Achromatopsia (no color) | #525252 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4D90
#3E4D90
oklch(44.3% 0.111 271.7)
- #655100
#655100
oklch(44.3% 0.091 92.3)
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 #3E4D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.028
- Dusk Blue #26538D ΔE 0.030
- Blueberry #464196 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.039
- Cobalt #1E488F ΔE 0.040
- Dusk #4E5481 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
Use #3E4D90 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.