#3E577B#3E577B

#3E577B is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.3% C 0.067 H 257.5°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3E577B
RGB	rgb(62, 87, 123)
HSL	hsl(215, 33%, 36%)
HSV	hsv(215, 50%, 48%)
CMYK	cmyk(49.6%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(36.50, 1.34, -23.27)
CIE-LCH	lch(36.50, 23.31, 273.31°)
OKLab	oklab(45.28% -0.0145 -0.0651)
OKLCH	oklch(45.28% 0.067 257.5)
XYZ	xyz(8.9688, 9.2700, 20.0517)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E577B #7B623E

analogous

#3E767B #3E577B #443E7B

triadic

#3E577B #7B3E57 #577B3E

tetradic

#3E577B #7B3E76 #7B623E #3E7B44

square

#3E577B #7B3E76 #7B623E #3E7B44

split-complementary

#3E577B #7B443E #767B3E

monochromatic

#151D2A #293A52 #3E577B #5374A4 #7894BB

Accessibility & contrast

On white

7.36

#3E577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3E577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E577B

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E577B	#FFFFFF	#000000	##FFFFFF
##3E577B	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597D

Deuteranopia (green-blind)

#42537A

Tritanopia (blue-blind)

#245F64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3e577b;
/* rgb */ color: rgb(62, 87, 123);
/* oklch */ color: oklch(45.3% 0.067 257.5);

Tailwind

colors: {
  custom: {
    50: '#7786a1',
    500: '#3e577b',
    950: '#000000',
  },
}

SCSS

$custom: #3e577b;
$custom-light: #7786a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e577b",
  "rgb": {
    "r": 62,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 215.41,
    "s": 32.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45276,
    "c": 0.06673,
    "h": 257.5
  },
  "luminance": 0.09271
}

Semantic roles & 50–950 ramp

primary

#3E577B

secondary

#A58F6F

accent

#9D5FC9

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #3E577B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →