#257CA7#257CA7

#257CA7 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.104 H 235.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#257CA7
RGB	rgb(37, 124, 167)
HSL	hsl(200, 64%, 40%)
HSV	hsv(200, 78%, 65%)
CMYK	cmyk(77.8%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.00, -10.33, -30.16)
CIE-LCH	lch(49.00, 31.88, 251.09°)
OKLab	oklab(55.57% -0.0594 -0.0851)
OKLCH	oklch(55.57% 0.104 235.1)
XYZ	xyz(14.9429, 17.5968, 39.1607)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257CA7 #A75025

analogous

#25A791 #257CA7 #253BA7

triadic

#257CA7 #A7257C #7CA725

tetradic

#257CA7 #9125A7 #A75025 #3BA725

square

#257CA7 #9125A7 #A75025 #3BA725

split-complementary

#257CA7 #A7253B #A79125

monochromatic

#0F3243 #1A5775 #257CA7 #379FD3 #69B7DE

Accessibility & contrast

On white

4.65

#257CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#257CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257CA7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257CA7	#FFFFFF	#000000	##FFFFFF
##257CA7	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA9

Deuteranopia (green-blind)

#566FA6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257ca7;
/* rgb */ color: rgb(37, 124, 167);
/* oklch */ color: oklch(55.6% 0.104 235.1);

Tailwind

colors: {
  custom: {
    50: '#74a1c1',
    500: '#257ca7',
    950: '#000000',
  },
}

SCSS

$custom: #257ca7;
$custom-light: #74a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#257ca7",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 199.846,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.55565,
    "c": 0.10374,
    "h": 235.1
  },
  "luminance": 0.17599
}

Semantic roles & 50–950 ramp

primary

#257CA7

secondary

#C48464

accent

#7841E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #257CA7

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

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