#577EAF#577EAF

#577EAF is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.088 H 254.6°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#577EAF
RGB	rgb(87, 126, 175)
HSL	hsl(213, 35%, 51%)
HSV	hsv(213, 50%, 69%)
CMYK	cmyk(50.3%, 28%, 0%, 31.4%)
CIE-LAB	lab(51.88, 0.40, -30.16)
CIE-LCH	lch(51.88, 30.16, 270.75°)
OKLab	oklab(58.49% -0.0232 -0.0845)
OKLCH	oklch(58.49% 0.088 254.6)
XYZ	xyz(19.1266, 20.0417, 43.4097)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EAF #AF8857

analogous

#57AAAF #577EAF #5C57AF

triadic

#577EAF #AF577E #7EAF57

tetradic

#577EAF #AF57AA #AF8857 #57AF5C

square

#577EAF #AF57AA #AF8857 #57AF5C

split-complementary

#577EAF #AF5C57 #AAAF57

monochromatic

#2D435F #416088 #577EAF #809EC3 #AABED6

Accessibility & contrast

On white

4.19

#577EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#577EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EAF

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EAF	#FFFFFF	#000000	##000000
##577EAF	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B80B1

Deuteranopia (green-blind)

#6078AE

Tritanopia (blue-blind)

#2E898F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577eaf;
/* rgb */ color: rgb(87, 126, 175);
/* oklch */ color: oklch(58.5% 0.088 254.6);

Tailwind

colors: {
  custom: {
    50: '#8ba3c7',
    500: '#577eaf',
    950: '#000000',
  },
}

SCSS

$custom: #577eaf;
$custom-light: #8ba3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#577eaf",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 213.409,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5849,
    "c": 0.08761,
    "h": 254.6
  },
  "luminance": 0.20043
}

Semantic roles & 50–950 ramp

primary

#577EAF

secondary

#C4B39E

accent

#9A5CCC

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #577EAF

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

Preview Lab → · Contrast checker → · Palette generator →