#39557C
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.073 256.8), rgb(57, 85, 124).
Aa
White text reads best on this color (7.59:1).
About this color
#39557C is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.022 away. White text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #39557C |
| RGB | rgb(57, 85, 124) |
| HSL | hsl(215, 37%, 35%) |
| OKLCH | oklch(44.5% 0.073 256.8) |
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 #39557C | 7.59:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #39557C | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #39557C text on white | 7.59:1 | AAA | Lc 86.3 | Fine for body text |
| #39557C text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AFC2DD
oklch(80.8% 0.044 257.1)
-
Step 400
400
#85A3CB
oklch(70.7% 0.068 255.7)
-
Step 500
500
#678BBE
oklch(63.1% 0.087 257.1)
-
Step 600
600
#4E75AA
oklch(55.7% 0.094 256.3)
-
Step 700
700
#3F6292
oklch(49.2% 0.088 256.6)
-
Step 800
800 (this color)
#39557C
oklch(44.5% 0.073 256.8)
-
Step 900
900
#2E4260
oklch(37.6% 0.058 258.3)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#39557C 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) | #46577E | 0.019 |
| Deuteranopia (no green cones) | #3D517B | 0.012 |
| Tritanopia (no blue cones) | #175E63 | 0.065 |
| Achromatopsia (no color) | #545454 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39557C
#39557C
oklch(44.5% 0.073 256.8)
- #6B4E20
#6B4E20
oklch(44.5% 0.073 76.3)
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 #39557C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.023
- Dusk #4E5481 ΔE 0.030
- Dusk Blue #26538D ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.037
- Dusty Grape #545775 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.040
- Light Navy #155084 ΔE 0.040
Use #39557C 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.