#257AA8#257AA8

#257AA8 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.106 H 237.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#257AA8
RGB	rgb(37, 122, 168)
HSL	hsl(201, 64%, 40%)
HSV	hsv(201, 78%, 66%)
CMYK	cmyk(78%, 27.4%, 0%, 34.1%)
CIE-LAB	lab(48.43, -8.81, -31.63)
CIE-LCH	lch(48.43, 32.83, 254.44°)
OKLab	oklab(55.13% -0.0571 -0.0893)
OKLCH	oklch(55.13% 0.106 237.4)
XYZ	xyz(14.7876, 17.1378, 39.5668)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AA8 #A85325

analogous

#25A895 #257AA8 #2538A8

triadic

#257AA8 #A8257A #7AA825

tetradic

#257AA8 #9525A8 #A85325 #38A825

square

#257AA8 #9525A8 #A85325 #38A825

split-complementary

#257AA8 #A82538 #A89525

monochromatic

#0F3144 #1A5676 #257AA8 #379CD3 #69B5DE

Accessibility & contrast

On white

4.74

#257AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#257AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AA8

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AA8	#FFFFFF	#000000	##FFFFFF
##257AA8	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647AAA

Deuteranopia (green-blind)

#526EA7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257aa8;
/* rgb */ color: rgb(37, 122, 168);
/* oklch */ color: oklch(55.1% 0.106 237.4);

Tailwind

colors: {
  custom: {
    50: '#74a0c2',
    500: '#257aa8',
    950: '#000000',
  },
}

SCSS

$custom: #257aa8;
$custom-light: #74a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#257aa8",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 168
  },
  "hsl": {
    "h": 201.069,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55127,
    "c": 0.10603,
    "h": 237.4
  },
  "luminance": 0.1714
}

Semantic roles & 50–950 ramp

primary

#257AA8

secondary

#C48665

accent

#7B41E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257AA8

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

Preview Lab → · Contrast checker → · Palette generator →