#3E557A
Closest named color: YInMn Blue (#415A77). oklch(44.7% 0.067 259.6), rgb(62, 85, 122).
Aa
White text reads best on this color (7.53:1).
About this color
#3E557A is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.067 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.018 away. White text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #3E557A |
| RGB | rgb(62, 85, 122) |
| HSL | hsl(217, 33%, 36%) |
| OKLCH | oklch(44.7% 0.067 259.6) |
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 #3E557A | 7.53:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #3E557A | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #3E557A text on white | 7.53:1 | AAA | Lc 86.1 | Fine for body text |
| #3E557A text on black | 2.78:1 | Fails | Lc -15.9 | 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
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B2C2DB
oklch(81% 0.04 259.3)
-
Step 400
400
#8AA2C8
oklch(70.7% 0.062 259.5)
-
Step 500
500
#6C8ABA
oklch(63% 0.081 259.6)
-
Step 600
600
#5474A7
oklch(55.7% 0.088 259.4)
-
Step 700
700
#45618F
oklch(49.1% 0.081 260)
-
Step 800
800 (this color)
#3E557A
oklch(44.7% 0.067 259.6)
-
Step 900
900
#31425E
oklch(37.7% 0.053 260.1)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#3E557A 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) | #47577C | 0.014 |
| Deuteranopia (no green cones) | #405279 | 0.009 |
| Tritanopia (no blue cones) | #255D62 | 0.060 |
| Achromatopsia (no color) | #545454 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E557A
#3E557A
oklch(44.7% 0.067 259.6)
- #685026
#685026
oklch(44.7% 0.067 79.7)
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 #3E557A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.018
- Dusk #4E5481 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.028
- Dusty Grape #545775 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- Dusk Blue #26538D ΔE 0.041
- Denim #3B638C ΔE 0.045
Use #3E557A 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.