#577197#577197

#577197 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.4% C 0.067 H 257.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#577197
RGB	rgb(87, 113, 151)
HSL	hsl(216, 27%, 47%)
HSV	hsv(216, 42%, 59%)
CMYK	cmyk(42.4%, 25.2%, 0%, 40.8%)
CIE-LAB	lab(47.07, 0.86, -23.63)
CIE-LCH	lch(47.07, 23.64, 272.09°)
OKLab	oklab(54.37% -0.0142 -0.0657)
OKLCH	oklch(54.37% 0.067 257.8)
XYZ	xyz(15.4197, 16.0700, 31.5615)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577197 #977D57

analogous

#579197 #577197 #5D5797

triadic

#577197 #975771 #719757

tetradic

#577197 #975791 #977D57 #57975D

square

#577197 #975791 #977D57 #57975D

split-complementary

#577197 #975D57 #919757

monochromatic

#2A3749 #415470 #577197 #7990B2 #A0B0C8

Accessibility & contrast

On white

4.98

#577197 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#577197 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577197

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577197	#FFFFFF	#000000	##FFFFFF
##577197	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637399

Deuteranopia (green-blind)

#5C6D96

Tritanopia (blue-blind)

#40797E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577197;
/* rgb */ color: rgb(87, 113, 151);
/* oklch */ color: oklch(54.4% 0.067 257.8);

Tailwind

colors: {
  custom: {
    50: '#8999b5',
    500: '#577197',
    950: '#000000',
  },
}

SCSS

$custom: #577197;
$custom-light: #8999b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577197",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 151
  },
  "hsl": {
    "h": 215.625,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54371,
    "c": 0.06726,
    "h": 257.8
  },
  "luminance": 0.16071
}

Semantic roles & 50–950 ramp

primary

#577197

secondary

#B6A894

accent

#9D65C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577197

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

Preview Lab → · Contrast checker → · Palette generator →