#257397#257397

#257397 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.5% C 0.093 H 232.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#257397
RGB	rgb(37, 115, 151)
HSL	hsl(199, 61%, 37%)
HSV	hsv(199, 75%, 59%)
CMYK	cmyk(75.5%, 23.8%, 0%, 40.8%)
CIE-LAB	lab(45.48, -10.88, -26.26)
CIE-LCH	lch(45.48, 28.43, 247.49°)
OKLab	oklab(52.52% -0.0562 -0.0739)
OKLCH	oklch(52.52% 0.093 232.8)
XYZ	xyz(12.4774, 14.8877, 31.4882)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257397 #974925

analogous

#259782 #257397 #253A97

triadic

#257397 #972573 #739725

tetradic

#257397 #822597 #974925 #3A9725

square

#257397 #822597 #974925 #3A9725

split-complementary

#257397 #97253A #978225

monochromatic

#0D2835 #194E66 #257397 #3198C8 #5FB1D8

Accessibility & contrast

On white

5.28

#257397 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#257397 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257397

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257397	#FFFFFF	#000000	##FFFFFF
##257397	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617299

Deuteranopia (green-blind)

#526796

Tritanopia (blue-blind)

#007D7F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #257397;
/* rgb */ color: rgb(37, 115, 151);
/* oklch */ color: oklch(52.5% 0.093 232.8);

Tailwind

colors: {
  custom: {
    50: '#709bb5',
    500: '#257397',
    950: '#000000',
  },
}

SCSS

$custom: #257397;
$custom-light: #709bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#257397",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 151
  },
  "hsl": {
    "h": 198.947,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.5252,
    "c": 0.09281,
    "h": 232.8
  },
  "luminance": 0.14889
}

Semantic roles & 50–950 ramp

primary

#257397

secondary

#BD7A5B

accent

#7644E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257397

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

Preview Lab → · Contrast checker → · Palette generator →