#257587#257587

#257587 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.080 H 215.9°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#257587
RGB	rgb(37, 117, 135)
HSL	hsl(191, 57%, 34%)
HSV	hsv(191, 73%, 53%)
CMYK	cmyk(72.6%, 13.3%, 0%, 47.1%)
CIE-LAB	lab(45.45, -17.59, -16.82)
CIE-LCH	lch(45.45, 24.34, 223.71°)
OKLab	oklab(52.27% -0.0646 -0.0469)
OKLCH	oklch(52.27% 0.08 215.9)
XYZ	xyz(11.4956, 14.8638, 25.1801)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257587 #873725

analogous

#258768 #257587 #254487

triadic

#257587 #872575 #758725

tetradic

#257587 #682587 #873725 #448725

square

#257587 #682587 #873725 #448725

split-complementary

#257587 #872544 #876825

monochromatic

#0B2227 #184B57 #257587 #329FB7 #56BAD1

Accessibility & contrast

On white

5.29

#257587 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#257587 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257587

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257587	#FFFFFF	#000000	##FFFFFF
##257587	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697188

Deuteranopia (green-blind)

#5B6787

Tritanopia (blue-blind)

#007C7B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #257587;
/* rgb */ color: rgb(37, 117, 135);
/* oklch */ color: oklch(52.3% 0.080 215.9);

Tailwind

colors: {
  custom: {
    50: '#6e9daa',
    500: '#257587',
    950: '#000000',
  },
}

SCSS

$custom: #257587;
$custom-light: #6e9daa;
$custom-dark: #000000;

JSON

{
  "hex": "#257587",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 135
  },
  "hsl": {
    "h": 191.02,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.52273,
    "c": 0.07984,
    "h": 215.9
  },
  "luminance": 0.14865
}

Semantic roles & 50–950 ramp

primary

#257587

secondary

#B56553

accent

#6448E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257587

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

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