#257497#257497

#257497 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.8% C 0.092 H 231.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#257497
RGB	rgb(37, 116, 151)
HSL	hsl(198, 61%, 37%)
HSV	hsv(198, 75%, 59%)
CMYK	cmyk(75.5%, 23.2%, 0%, 40.8%)
CIE-LAB	lab(45.79, -11.46, -25.77)
CIE-LCH	lch(45.79, 28.21, 246.02°)
OKLab	oklab(52.77% -0.0572 -0.0725)
OKLCH	oklch(52.77% 0.092 231.7)
XYZ	xyz(12.5920, 15.1170, 31.5264)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257497 #974825

analogous

#259781 #257497 #253B97

triadic

#257497 #972574 #749725

tetradic

#257497 #812597 #974825 #3B9725

square

#257497 #812597 #974825 #3B9725

split-complementary

#257497 #97253B #978125

monochromatic

#0D2835 #194E66 #257497 #319AC8 #5FB3D8

Accessibility & contrast

On white

5.22

#257497 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#257497 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257497

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257497	#FFFFFF	#000000	##FFFFFF
##257497	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627399

Deuteranopia (green-blind)

#536896

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #257497;
/* rgb */ color: rgb(37, 116, 151);
/* oklch */ color: oklch(52.8% 0.092 231.7);

Tailwind

colors: {
  custom: {
    50: '#709cb5',
    500: '#257497',
    950: '#000000',
  },
}

SCSS

$custom: #257497;
$custom-light: #709cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#257497",
  "rgb": {
    "r": 37,
    "g": 116,
    "b": 151
  },
  "hsl": {
    "h": 198.421,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.5277,
    "c": 0.09232,
    "h": 231.7
  },
  "luminance": 0.15118
}

Semantic roles & 50–950 ramp

primary

#257497

secondary

#BD795B

accent

#7544E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257497

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

Preview Lab → · Contrast checker → · Palette generator →