#39609B
Closest named color: Denim Blue (#3B5B92). oklch(48.9% 0.105 258.5), rgb(57, 96, 155).
Aa
White text reads best on this color (6.32:1).
About this color
#39609B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.105 and its hue 258°. 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 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.32:1 |
| White text | 6.32:1 |
Values
| HEX | #39609B |
| RGB | rgb(57, 96, 155) |
| HSL | hsl(216, 46%, 42%) |
| OKLCH | oklch(48.9% 0.105 258.5) |
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 #39609B | 6.32:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #39609B | 3.32:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #39609B text on white | 6.32:1 | AA | Lc 81.3 | Fine for body text |
| #39609B text on black | 3.32:1 | AA large text | Lc -20.6 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400
#81A2D4
oklch(70.7% 0.082 258.5)
-
Step 500
500
#628AC8
oklch(63% 0.104 258.9)
-
Step 600
600
#4873B5
oklch(55.5% 0.114 258.7)
-
Step 700
700 (this color)
#39609B
oklch(48.9% 0.105 258.5)
-
Step 800
800
#304F7E
oklch(42.7% 0.087 258.5)
-
Step 900
900
#2A4265
oklch(37.7% 0.067 257.7)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#39609B 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) | #47659D | 0.023 |
| Deuteranopia (no green cones) | #395B9A | 0.014 |
| Tritanopia (no blue cones) | #006D76 | 0.087 |
| Achromatopsia (no color) | #606060 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39609B
#39609B
oklch(48.9% 0.105 258.5)
- #7F5800
#7F5800
oklch(49% 0.102 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 #39609B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.018
- Dusky Blue #475F94 ΔE 0.018
- Denim #3B638C ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.036
- Peacock Blue #016795 ΔE 0.038
- French Blue #436BAD ΔE 0.042
- Mid Blue #276AB3 ΔE 0.043
- Dusk Blue #26538D ΔE 0.048
Use #39609B 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.