#11577E#11577E

#11577E is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.091 H 239.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#11577E
RGB	rgb(17, 87, 126)
HSL	hsl(201, 76%, 28%)
HSV	hsv(201, 87%, 49%)
CMYK	cmyk(86.5%, 31%, 0%, 50.6%)
CIE-LAB	lab(34.88, -5.79, -27.77)
CIE-LCH	lch(34.88, 28.37, 258.22°)
OKLab	oklab(43.57% -0.0463 -0.0787)
OKLCH	oklch(43.57% 0.091 239.5)
XYZ	xyz(7.4038, 8.4410, 20.9737)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11577E #7E3811

analogous

#117E6E #11577E #11207E

triadic

#11577E #7E1157 #577E11

tetradic

#11577E #6E117E #7E3811 #207E11

square

#11577E #6E117E #7E3811 #207E11

split-complementary

#11577E #7E1120 #7E6E11

monochromatic

#04131B #0A3248 #11577E #187CB4 #279FE2

Accessibility & contrast

On white

7.81

#11577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#11577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11577E

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11577E	#FFFFFF	#000000	##FFFFFF
##11577E	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445780

Deuteranopia (green-blind)

#364E7D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #11577e;
/* rgb */ color: rgb(17, 87, 126);
/* oklch */ color: oklch(43.6% 0.091 239.5);

Tailwind

colors: {
  custom: {
    50: '#6486a3',
    500: '#11577e',
    950: '#000000',
  },
}

SCSS

$custom: #11577e;
$custom-light: #6486a3;
$custom-dark: #000000;

JSON

{
  "hex": "#11577e",
  "rgb": {
    "r": 17,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 201.468,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.43567,
    "c": 0.09134,
    "h": 239.5
  },
  "luminance": 0.08442
}

Semantic roles & 50–950 ramp

primary

#11577E

secondary

#B46437

accent

#7935F3

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060B0F

muted

#7A7C7F

Preview Lab

Preview with #11577E

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

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