#39558E
Closest named color: Denim Blue (#3B5B92). oklch(45.6% 0.099 263.2), rgb(57, 85, 142).
Aa
White text reads best on this color (7.33:1).
About this color
#39558E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.099 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.018 away. White text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #39558E |
| RGB | rgb(57, 85, 142) |
| HSL | hsl(220, 43%, 39%) |
| OKLCH | oklch(45.6% 0.099 263.2) |
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 #39558E | 7.33:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #39558E | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #39558E text on white | 7.33:1 | AAA | Lc 85.3 | Fine for body text |
| #39558E text on black | 2.86:1 | Fails | Lc -16.7 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400
#82A0DB
oklch(70.6% 0.093 263.4)
-
Step 500
500
#6388D1
oklch(63.1% 0.118 263)
-
Step 600
600
#4A70BE
oklch(55.5% 0.129 263.2)
-
Step 700
700
#3C5EA4
oklch(49.2% 0.119 263.2)
-
Step 800
800 (this color)
#39558E
oklch(45.6% 0.099 263.2)
-
Step 900
900
#2B406B
oklch(37.6% 0.079 263.4)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#39558E 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) | #3D5A90 | 0.016 |
| Deuteranopia (no green cones) | #32528D | 0.013 |
| Tritanopia (no blue cones) | #00626A | 0.089 |
| Achromatopsia (no color) | #565656 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39558E
#39558E
oklch(45.6% 0.099 263.2)
- #705100
#705100
oklch(45.6% 0.094 83)
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 #39558E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.018
- Dusk Blue #26538D ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.022
- Twilight #4E518B ΔE 0.029
- Dusk #4E5481 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Light Navy #155084 ΔE 0.041
- Denim #3B638C ΔE 0.043
Use #39558E 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.