#3E59A1
Closest named color: Denim Blue (#3B5B92). oklch(48% 0.12 266.5), rgb(62, 89, 161).
Aa
White text reads best on this color (6.67:1).
About this color
#3E59A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.120 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.027 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #3E59A1 |
| RGB | rgb(62, 89, 161) |
| HSL | hsl(224, 44%, 44%) |
| OKLCH | oklch(48% 0.12 266.5) |
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 #3E59A1 | 6.67:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #3E59A1 | 3.14:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #3E59A1 text on white | 6.67:1 | AA | Lc 82.7 | Fine for body text |
| #3E59A1 text on black | 3.14:1 | AA large text | Lc -19.2 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC0E7
oklch(80.8% 0.058 266.6)
-
Step 400
400
#869FDB
oklch(70.7% 0.093 266.7)
-
Step 500
500
#6886D2
oklch(63.1% 0.12 266.7)
-
Step 600
600
#506FBF
oklch(55.7% 0.13 266.3)
-
Step 700
700 (this color)
#3E59A1
oklch(48% 0.12 266.5)
-
Step 800
800
#364C85
oklch(42.8% 0.099 266.4)
-
Step 900
900
#2E3F6B
oklch(37.6% 0.079 266.7)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#3E59A1 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) | #3861A4 | 0.022 |
| Deuteranopia (no green cones) | #29589F | 0.023 |
| Tritanopia (no blue cones) | #006975 | 0.104 |
| Achromatopsia (no color) | #5C5C5C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E59A1
#3E59A1
oklch(48% 0.12 266.5)
- #765900
#765900
oklch(48.1% 0.098 86.5)
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 #3E59A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.027
- Dusky Blue #475F94 ΔE 0.032
- Twilight #4E518B ΔE 0.042
- Dusk Blue #26538D ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.046
- Denim #3B638C ΔE 0.049
- Mid Blue #276AB3 ΔE 0.051
- French Blue #436BAD ΔE 0.052
Use #3E59A1 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.