#257FC6#257FC6

#257FC6 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.136 H 247.4°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#257FC6
RGB	rgb(37, 127, 198)
HSL	hsl(206, 69%, 46%)
HSV	hsv(206, 81%, 78%)
CMYK	cmyk(81.3%, 35.9%, 0%, 22.4%)
CIE-LAB	lab(51.44, -0.69, -44.19)
CIE-LCH	lch(51.44, 44.20, 269.11°)
OKLab	oklab(57.99% -0.0525 -0.1259)
OKLCH	oklch(57.99% 0.136 247.4)
XYZ	xyz(18.5414, 19.6470, 56.2302)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257FC6 #C66C25

analogous

#25C6BC #257FC6 #252EC6

triadic

#257FC6 #C6257F #7FC625

tetradic

#257FC6 #BC25C6 #C66C25 #2EC625

square

#257FC6 #BC25C6 #C66C25 #2EC625

split-complementary

#257FC6 #C6252E #C6BC25

monochromatic

#123D5F #1B5E92 #257FC6 #4B9DDD #7EB9E7

Accessibility & contrast

On white

4.26

#257FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#257FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257FC6

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257FC6	#FFFFFF	#000000	##000000
##257FC6	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C9

Deuteranopia (green-blind)

#4674C5

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #257fc6;
/* rgb */ color: rgb(37, 127, 198);
/* oklch */ color: oklch(58.0% 0.136 247.4);

Tailwind

colors: {
  custom: {
    50: '#7aa3d7',
    500: '#257fc6',
    950: '#000000',
  },
}

SCSS

$custom: #257fc6;
$custom-light: #7aa3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#257fc6",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 198
  },
  "hsl": {
    "h": 206.46,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5799,
    "c": 0.13641,
    "h": 247.4
  },
  "luminance": 0.19649
}

Semantic roles & 50–950 ramp

primary

#257FC6

secondary

#CF9E77

accent

#8A3CEB

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #257FC6

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

Preview Lab → · Contrast checker → · Palette generator →