#39598B
Closest named color: Denim Blue (#3B5B92). oklch(46.3% 0.09 259), rgb(57, 89, 139).
Aa
White text reads best on this color (7.05:1).
About this color
#39598B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.090 and its hue 259°. 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 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #39598B |
| RGB | rgb(57, 89, 139) |
| HSL | hsl(217, 42%, 38%) |
| OKLCH | oklch(46.3% 0.09 259) |
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 #39598B | 7.05:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #39598B | 2.97:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #39598B text on white | 7.05:1 | AAA | Lc 84.3 | Fine for body text |
| #39598B text on black | 2.97:1 | Fails | Lc -17.7 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
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
#B0C2DD
oklch(80.9% 0.043 258.4)
-
Step 400
400
#87A2CD
oklch(70.8% 0.07 259.6)
-
Step 500
500
#688ABF
oklch(62.9% 0.089 259.1)
-
Step 600
600
#5074AC
oklch(55.7% 0.097 259)
-
Step 700
700 (this color)
#39598B
oklch(46.3% 0.09 259)
-
Step 800
800
#354F78
oklch(42.6% 0.076 259.2)
-
Step 900
900
#2E4260
oklch(37.6% 0.058 258.3)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#39598B 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) | #445D8D | 0.019 |
| Deuteranopia (no green cones) | #3A558A | 0.011 |
| Tritanopia (no blue cones) | #00646B | 0.080 |
| Achromatopsia (no color) | #595959 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39598B
#39598B
oklch(46.3% 0.09 259)
- #74520E
#74520E
oklch(46.4% 0.09 78.8)
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 #39598B, 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 0.013
- Dusk Blue #26538D ΔE 0.029
- Dusky Blue #475F94 ΔE 0.029
- Denim #3B638C ΔE 0.030
- Dusk #4E5481 ΔE 0.031
- Twilight #4E518B ΔE 0.034
- YInMn Blue #415A77 ΔE 0.035
Use #39598B 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.