#3E5E9E
Closest named color: Dusky Blue (#475F94). oklch(48.9% 0.11 262.9), rgb(62, 94, 158).
Aa
White text reads best on this color (6.36:1).
About this color
#3E5E9E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.110 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.020 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.29:1 |
| White text | 6.36:1 |
Values
| HEX | #3E5E9E |
| RGB | rgb(62, 94, 158) |
| HSL | hsl(220, 44%, 43%) |
| OKLCH | oklch(48.9% 0.11 262.9) |
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 #3E5E9E | 6.36:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #3E5E9E | 3.29:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #3E5E9E text on white | 6.36:1 | AA | Lc 81.5 | Fine for body text |
| #3E5E9E text on black | 3.29:1 | AA large text | Lc -20.4 | 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 700.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E4
oklch(80.9% 0.053 263.7)
-
Step 400
400
#85A1D6
oklch(70.8% 0.084 262.8)
-
Step 500
500
#6688CB
oklch(63% 0.109 263.1)
-
Step 600
600
#4E71B8
oklch(55.6% 0.118 263.2)
-
Step 700
700 (this color)
#3E5E9E
oklch(48.9% 0.11 262.9)
-
Step 800
800
#344D81
oklch(42.6% 0.092 263.6)
-
Step 900
900
#2D4167
oklch(37.7% 0.07 262.4)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#3E5E9E 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) | #4264A1 | 0.018 |
| Deuteranopia (no green cones) | #355B9D | 0.014 |
| Tritanopia (no blue cones) | #006C76 | 0.095 |
| Achromatopsia (no color) | #5F5F5F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5E9E
#3E5E9E
oklch(48.9% 0.11 262.9)
- #7C5A00
#7C5A00
oklch(49% 0.101 82.9)
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 #3E5E9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.021
- Denim #3B638C ΔE 0.036
- French Blue #436BAD ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.044
- Twilight #4E518B ΔE 0.045
- Peacock Blue #016795 ΔE 0.047
Use #3E5E9E 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.