#257699#257699

#257699 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.4% C 0.093 H 231.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#257699
RGB	rgb(37, 118, 153)
HSL	hsl(198, 61%, 37%)
HSV	hsv(198, 76%, 60%)
CMYK	cmyk(75.8%, 22.9%, 0%, 40%)
CIE-LAB	lab(46.51, -11.90, -25.84)
CIE-LCH	lch(46.51, 28.45, 245.27°)
OKLab	oklab(53.37% -0.0585 -0.0727)
OKLCH	oklch(53.37% 0.093 231.2)
XYZ	xyz(12.9888, 15.6486, 32.4667)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257699 #994825

analogous

#259982 #257699 #253C99

triadic

#257699 #992576 #769925

tetradic

#257699 #822599 #994825 #3C9925

square

#257699 #822599 #994825 #3C9925

split-complementary

#257699 #99253C #998225

monochromatic

#0D2A36 #195068 #257699 #319CCA #60B4D9

Accessibility & contrast

On white

5.08

#257699 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#257699 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257699

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257699	#FFFFFF	#000000	##FFFFFF
##257699	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64749B

Deuteranopia (green-blind)

#556998

Tritanopia (blue-blind)

#008082

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #257699;
/* rgb */ color: rgb(37, 118, 153);
/* oklch */ color: oklch(53.4% 0.093 231.2);

Tailwind

colors: {
  custom: {
    50: '#719db7',
    500: '#257699',
    950: '#000000',
  },
}

SCSS

$custom: #257699;
$custom-light: #719db7;
$custom-dark: #000000;

JSON

{
  "hex": "#257699",
  "rgb": {
    "r": 37,
    "g": 118,
    "b": 153
  },
  "hsl": {
    "h": 198.103,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.53371,
    "c": 0.09326,
    "h": 231.2
  },
  "luminance": 0.1565
}

Semantic roles & 50–950 ramp

primary

#257699

secondary

#BE7A5C

accent

#7444E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257699

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

Preview Lab → · Contrast checker → · Palette generator →