#1A577F#1A577F

#1A577F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.090 H 242.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#1A577F
RGB	rgb(26, 87, 127)
HSL	hsl(204, 66%, 30%)
HSV	hsv(204, 80%, 50%)
CMYK	cmyk(79.5%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(35.14, -4.41, -27.98)
CIE-LCH	lch(35.14, 28.32, 261.03°)
OKLab	oklab(43.84% -0.0419 -0.0793)
OKLCH	oklch(43.84% 0.09 242.2)
XYZ	xyz(7.6635, 8.5674, 21.3243)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A577F #7F421A

analogous

#1A7F74 #1A577F #1A257F

triadic

#1A577F #7F1A57 #577F1A

tetradic

#1A577F #741A7F #7F421A #257F1A

square

#1A577F #741A7F #7F421A #257F1A

split-complementary

#1A577F #7F1A25 #7F741A

monochromatic

#051119 #10344C #1A577F #247AB2 #3C9AD7

Accessibility & contrast

On white

7.74

#1A577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1A577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A577F

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A577F	#FFFFFF	#000000	##FFFFFF
##1A577F	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445881

Deuteranopia (green-blind)

#364E7E

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a577f;
/* rgb */ color: rgb(26, 87, 127);
/* oklch */ color: oklch(43.8% 0.090 242.2);

Tailwind

colors: {
  custom: {
    50: '#6786a4',
    500: '#1a577f',
    950: '#000000',
  },
}

SCSS

$custom: #1a577f;
$custom-light: #6786a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a577f",
  "rgb": {
    "r": 26,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 203.762,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.43842,
    "c": 0.08964,
    "h": 242.2
  },
  "luminance": 0.08568
}

Semantic roles & 50–950 ramp

primary

#1A577F

secondary

#B36F42

accent

#823FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1A577F

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

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