#257A99#257A99

#257A99 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.4% C 0.092 H 227.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#257A99
RGB	rgb(37, 122, 153)
HSL	hsl(196, 61%, 37%)
HSV	hsv(196, 76%, 60%)
CMYK	cmyk(75.8%, 20.3%, 0%, 40%)
CIE-LAB	lab(47.77, -14.17, -23.89)
CIE-LCH	lch(47.77, 27.78, 239.33°)
OKLab	oklab(54.37% -0.0625 -0.067)
OKLCH	oklch(54.37% 0.092 227)
XYZ	xyz(13.4699, 16.6107, 32.6271)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A99 #994425

analogous

#25997E #257A99 #254099

triadic

#257A99 #99257A #7A9925

tetradic

#257A99 #7E2599 #994425 #409925

square

#257A99 #7E2599 #994425 #409925

split-complementary

#257A99 #992540 #997E25

monochromatic

#0D2B36 #195368 #257A99 #31A1CA #60B8D9

Accessibility & contrast

On white

4.86

#257A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#257A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A99

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A99	#FFFFFF	#000000	##FFFFFF
##257A99	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789B

Deuteranopia (green-blind)

#5A6C99

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257a99;
/* rgb */ color: rgb(37, 122, 153);
/* oklch */ color: oklch(54.4% 0.092 227.0);

Tailwind

colors: {
  custom: {
    50: '#71a0b7',
    500: '#257a99',
    950: '#000000',
  },
}

SCSS

$custom: #257a99;
$custom-light: #71a0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#257a99",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 153
  },
  "hsl": {
    "h": 196.034,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.54374,
    "c": 0.09167,
    "h": 227
  },
  "luminance": 0.16612
}

Semantic roles & 50–950 ramp

primary

#257A99

secondary

#BE765C

accent

#6F44E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257A99

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

Preview Lab → · Contrast checker → · Palette generator →