#257FA7#257FA7

#257FA7 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.3% C 0.102 H 232.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#257FA7
RGB	rgb(37, 127, 167)
HSL	hsl(198, 64%, 40%)
HSV	hsv(198, 78%, 65%)
CMYK	cmyk(77.8%, 24%, 0%, 34.5%)
CIE-LAB	lab(49.93, -12.04, -28.71)
CIE-LCH	lch(49.93, 31.14, 247.24°)
OKLab	oklab(56.3% -0.0623 -0.0808)
OKLCH	oklch(56.3% 0.102 232.4)
XYZ	xyz(15.3246, 18.3602, 39.2879)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257FA7 #A74D25

analogous

#25A78E #257FA7 #253EA7

triadic

#257FA7 #A7257F #7FA725

tetradic

#257FA7 #8E25A7 #A74D25 #3EA725

square

#257FA7 #8E25A7 #A74D25 #3EA725

split-complementary

#257FA7 #A7253E #A78E25

monochromatic

#0F3343 #1A5975 #257FA7 #37A3D3 #69BADE

Accessibility & contrast

On white

4.49

#257FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#257FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257FA7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257FA7	#FFFFFF	#000000	##000000
##257FA7	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EA9

Deuteranopia (green-blind)

#5A71A6

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #257fa7;
/* rgb */ color: rgb(37, 127, 167);
/* oklch */ color: oklch(56.3% 0.102 232.4);

Tailwind

colors: {
  custom: {
    50: '#74a4c1',
    500: '#257fa7',
    950: '#000000',
  },
}

SCSS

$custom: #257fa7;
$custom-light: #74a4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#257fa7",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 198.462,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.56304,
    "c": 0.10207,
    "h": 232.4
  },
  "luminance": 0.18362
}

Semantic roles & 50–950 ramp

primary

#257FA7

secondary

#C48264

accent

#7441E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #257FA7

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

Preview Lab → · Contrast checker → · Palette generator →