#2A577F#2A577F

#2A577F is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.083 H 247.7°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A577F
RGB	rgb(42, 87, 127)
HSL	hsl(208, 50%, 33%)
HSV	hsv(208, 67%, 50%)
CMYK	cmyk(66.9%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(35.67, -1.87, -27.10)
CIE-LCH	lch(35.67, 27.16, 266.05°)
OKLab	oklab(44.42% -0.0314 -0.0765)
OKLCH	oklch(44.42% 0.083 247.7)
XYZ	xyz(8.1924, 8.8401, 21.3491)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A577F #7F522A

analogous

#2A7F7C #2A577F #2A2C7F

triadic

#2A577F #7F2A57 #577F2A

tetradic

#2A577F #7C2A7F #7F522A #2C7F2A

square

#2A577F #7C2A7F #7F522A #2C7F2A

split-complementary

#2A577F #7F2A2C #7F7C2A

monochromatic

#0C1823 #1B3751 #2A577F #3977AD #5B95C9

Accessibility & contrast

On white

7.59

#2A577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2A577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A577F

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A577F	#FFFFFF	#000000	##FFFFFF
##2A577F	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455881

Deuteranopia (green-blind)

#3A507E

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2a577f;
/* rgb */ color: rgb(42, 87, 127);
/* oklch */ color: oklch(44.4% 0.083 247.7);

Tailwind

colors: {
  custom: {
    50: '#6d86a4',
    500: '#2a577f',
    950: '#000000',
  },
}

SCSS

$custom: #2a577f;
$custom-light: #6d86a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a577f",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 208.235,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44417,
    "c": 0.08272,
    "h": 247.7
  },
  "luminance": 0.08841
}

Semantic roles & 50–950 ramp

primary

#2A577F

secondary

#AE8057

accent

#904EDA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2A577F

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

Preview Lab → · Contrast checker → · Palette generator →