#577FAF#577FAF

#577FAF is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.087 H 253.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#577FAF
RGB	rgb(87, 127, 175)
HSL	hsl(213, 35%, 51%)
HSV	hsv(213, 50%, 69%)
CMYK	cmyk(50.3%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(52.17, -0.19, -29.71)
CIE-LCH	lch(52.17, 29.71, 269.63°)
OKLab	oklab(58.72% -0.0244 -0.0832)
OKLCH	oklch(58.72% 0.087 253.6)
XYZ	xyz(19.2551, 20.2987, 43.4525)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FAF #AF8757

analogous

#57ABAF #577FAF #5B57AF

triadic

#577FAF #AF577F #7FAF57

tetradic

#577FAF #AF57AB #AF8757 #57AF5B

square

#577FAF #AF57AB #AF8757 #57AF5B

split-complementary

#577FAF #AF5B57 #ABAF57

monochromatic

#2D445F #416188 #577FAF #809FC3 #AABED6

Accessibility & contrast

On white

4.15

#577FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#577FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FAF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FAF	#FFFFFF	#000000	##000000
##577FAF	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B1

Deuteranopia (green-blind)

#6179AE

Tritanopia (blue-blind)

#2D8A90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577faf;
/* rgb */ color: rgb(87, 127, 175);
/* oklch */ color: oklch(58.7% 0.087 253.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#577faf",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 212.727,
    "s": 35.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58716,
    "c": 0.08669,
    "h": 253.6
  },
  "luminance": 0.203
}

Semantic roles & 50–950 ramp

primary

#577FAF

secondary

#C4B39E

accent

#995CCC

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #577FAF

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

Preview Lab → · Contrast checker → · Palette generator →