#257399#257399

#257399 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.6% C 0.095 H 234.2°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#257399
RGB	rgb(37, 115, 153)
HSL	hsl(200, 61%, 37%)
HSV	hsv(200, 76%, 60%)
CMYK	cmyk(75.8%, 24.8%, 0%, 40%)
CIE-LAB	lab(45.57, -10.16, -27.30)
CIE-LCH	lch(45.57, 29.13, 249.58°)
OKLab	oklab(52.62% -0.0554 -0.0769)
OKLCH	oklch(52.62% 0.095 234.2)
XYZ	xyz(12.6412, 14.9532, 32.3508)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257399 #994B25

analogous

#259985 #257399 #253999

triadic

#257399 #992573 #739925

tetradic

#257399 #852599 #994B25 #399925

square

#257399 #852599 #994B25 #399925

split-complementary

#257399 #992539 #998525

monochromatic

#0D2936 #194E68 #257399 #3198CA #60B1D9

Accessibility & contrast

On white

5.26

#257399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#257399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257399

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257399	#FFFFFF	#000000	##FFFFFF
##257399	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60729B

Deuteranopia (green-blind)

#516798

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #257399;
/* rgb */ color: rgb(37, 115, 153);
/* oklch */ color: oklch(52.6% 0.095 234.2);

Tailwind

colors: {
  custom: {
    50: '#719bb7',
    500: '#257399',
    950: '#000000',
  },
}

SCSS

$custom: #257399;
$custom-light: #719bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#257399",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 199.655,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52621,
    "c": 0.09479,
    "h": 234.2
  },
  "luminance": 0.14955
}

Semantic roles & 50–950 ramp

primary

#257399

secondary

#BE7C5C

accent

#7844E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257399

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

Preview Lab → · Contrast checker → · Palette generator →