#39588C
Closest named color: Denim Blue (#3B5B92). oklch(46.2% 0.093 260.2), rgb(57, 88, 140).
Aa
White text reads best on this color (7.12:1).
About this color
#39588C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.093 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.012 away. White text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #39588C |
| RGB | rgb(57, 88, 140) |
| HSL | hsl(218, 42%, 39%) |
| OKLCH | oklch(46.2% 0.093 260.2) |
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 #39588C | 7.12:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #39588C | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #39588C text on white | 7.12:1 | AAA | Lc 84.6 | Fine for body text |
| #39588C text on black | 2.94:1 | Fails | Lc -17.4 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B0C2DE
oklch(80.9% 0.044 259.2)
-
Step 400
400
#87A2CE
oklch(70.8% 0.072 260.1)
-
Step 500
500
#698AC1
oklch(63.1% 0.091 260.3)
-
Step 600
600
#5073AE
oklch(55.6% 0.101 260.4)
-
Step 700
700 (this color)
#39588C
oklch(46.2% 0.093 260.2)
-
Step 800
800
#364F79
oklch(42.8% 0.077 260.3)
-
Step 900
900
#2F4261
oklch(37.8% 0.059 259.9)
-
Step 950
950
#1C2739
oklch(27.1% 0.037 260)
#39588C 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) | #425C8E | 0.017 |
| Deuteranopia (no green cones) | #38548B | 0.012 |
| Tritanopia (no blue cones) | #00646B | 0.083 |
| Achromatopsia (no color) | #585858 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39588C
#39588C
oklch(46.2% 0.093 260.2)
- #735207
#735207
oklch(46.2% 0.093 80.7)
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 #39588C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.012
- Light Navy Blue #2E5A88 ΔE 0.015
- Dusk Blue #26538D ΔE 0.026
- Dusky Blue #475F94 ΔE 0.030
- Dusk #4E5481 ΔE 0.031
- Twilight #4E518B ΔE 0.032
- Denim #3B638C ΔE 0.033
- YInMn Blue #415A77 ΔE 0.038
Use #39588C 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.