#257FA0#257FA0

#257FA0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.096 H 227.4°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#257FA0
RGB	rgb(37, 127, 160)
HSL	hsl(196, 62%, 39%)
HSV	hsv(196, 77%, 63%)
CMYK	cmyk(76.9%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(49.63, -14.52, -25.11)
CIE-LCH	lch(49.63, 29.01, 239.96°)
OKLab	oklab(55.96% -0.0649 -0.0705)
OKLCH	oklch(55.96% 0.096 227.4)
XYZ	xyz(14.6949, 18.1084, 35.9717)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257FA0 #A04625

analogous

#25A083 #257FA0 #2541A0

triadic

#257FA0 #A0257F #7FA025

tetradic

#257FA0 #8325A0 #A04625 #41A025

square

#257FA0 #8325A0 #A04625 #41A025

split-complementary

#257FA0 #A02541 #A08325

monochromatic

#0E303D #1A586E #257FA0 #32A6D0 #64BBDB

Accessibility & contrast

On white

4.54

#257FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#257FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257FA0

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257FA0	#FFFFFF	#000000	##000000
##257FA0	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA2

Deuteranopia (green-blind)

#5D71A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #257fa0;
/* rgb */ color: rgb(37, 127, 160);
/* oklch */ color: oklch(56.0% 0.096 227.4);

Tailwind

colors: {
  custom: {
    50: '#73a4bc',
    500: '#257fa0',
    950: '#000000',
  },
}

SCSS

$custom: #257fa0;
$custom-light: #73a4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#257fa0",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 196.098,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55962,
    "c": 0.09582,
    "h": 227.4
  },
  "luminance": 0.1811
}

Semantic roles & 50–950 ramp

primary

#257FA0

secondary

#C17A60

accent

#6E42E6

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #257FA0

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

Preview Lab → · Contrast checker → · Palette generator →