#39699D
Closest named color: Muted Blue (#3B719F). oklch(51.1% 0.098 252), rgb(57, 105, 157).
Aa
White text reads best on this color (5.70:1).
About this color
#39699D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.098 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.024 away. White text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #39699D |
| RGB | rgb(57, 105, 157) |
| HSL | hsl(211, 47%, 42%) |
| OKLCH | oklch(51.1% 0.098 252) |
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 #39699D | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #39699D | 3.68:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #39699D text on white | 5.70:1 | AA | Lc 78.3 | Fine for body text |
| #39699D text on black | 3.68:1 | AA large text | Lc -23.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ABC3DF
oklch(80.8% 0.048 252.4)
-
Step 400
400
#7EA4CF
oklch(70.7% 0.076 252)
-
Step 500
500
#5C8DC3
oklch(63.1% 0.098 251.8)
-
Step 600
600
#4276AF
oklch(55.6% 0.105 252.2)
-
Step 700
700 (this color)
#39699D
oklch(51.1% 0.098 252)
-
Step 800
800
#2B517A
oklch(42.7% 0.081 251.8)
-
Step 900
900
#274362
oklch(37.6% 0.063 252.1)
-
Step 950
950
#17283A
oklch(27.1% 0.041 250.8)
#39699D 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) | #536C9F | 0.032 |
| Deuteranopia (no green cones) | #45629C | 0.022 |
| Tritanopia (no blue cones) | #00757C | 0.079 |
| Achromatopsia (no color) | #666666 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39699D
#39699D
oklch(51.1% 0.098 252)
- #895C19
#895C19
oklch(51.2% 0.099 72)
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 #39699D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.024
- French Blue #436BAD ΔE 0.028
- Denim #3B638C ΔE 0.029
- Dusky Blue #475F94 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.031
- Ocean Blue #03719C ΔE 0.034
- Peacock Blue #016795 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.036
Use #39699D 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.