#257387#257387

#257387 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.080 H 218.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#257387
RGB	rgb(37, 115, 135)
HSL	hsl(192, 57%, 34%)
HSV	hsv(192, 73%, 53%)
CMYK	cmyk(72.6%, 14.8%, 0%, 47.1%)
CIE-LAB	lab(44.81, -16.49, -17.80)
CIE-LCH	lch(44.81, 24.26, 227.19°)
OKLab	oklab(51.76% -0.0625 -0.0497)
OKLCH	oklch(51.76% 0.08 218.5)
XYZ	xyz(11.2650, 14.4028, 25.1033)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257387 #873925

analogous

#25876A #257387 #254287

triadic

#257387 #872573 #738725

tetradic

#257387 #6A2587 #873925 #428725

square

#257387 #6A2587 #873925 #428725

split-complementary

#257387 #872542 #876A25

monochromatic

#0B2127 #184A57 #257387 #329CB7 #56B8D1

Accessibility & contrast

On white

5.41

#257387 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#257387 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257387

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257387	#FFFFFF	#000000	##FFFFFF
##257387	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667088

Deuteranopia (green-blind)

#596687

Tritanopia (blue-blind)

#007A79

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #257387;
/* rgb */ color: rgb(37, 115, 135);
/* oklch */ color: oklch(51.8% 0.080 218.5);

Tailwind

colors: {
  custom: {
    50: '#6e9baa',
    500: '#257387',
    950: '#000000',
  },
}

SCSS

$custom: #257387;
$custom-light: #6e9baa;
$custom-dark: #000000;

JSON

{
  "hex": "#257387",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 135
  },
  "hsl": {
    "h": 192.245,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.51757,
    "c": 0.07981,
    "h": 218.5
  },
  "luminance": 0.14404
}

Semantic roles & 50–950 ramp

primary

#257387

secondary

#B56753

accent

#6748E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257387

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

Preview Lab → · Contrast checker → · Palette generator →