#257C8E#257C8E

#257C8E is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.4% C 0.084 H 214.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#257C8E
RGB	rgb(37, 124, 142)
HSL	hsl(190, 59%, 35%)
HSV	hsv(190, 74%, 56%)
CMYK	cmyk(73.9%, 12.7%, 0%, 44.3%)
CIE-LAB	lab(47.96, -19.05, -17.13)
CIE-LCH	lch(47.96, 25.62, 221.97°)
OKLab	oklab(54.38% -0.0691 -0.0477)
OKLCH	oklch(54.38% 0.084 214.6)
XYZ	xyz(12.8510, 16.7601, 28.1437)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257C8E #8E3725

analogous

#258E6C #257C8E #25478E

triadic

#257C8E #8E257C #7C8E25

tetradic

#257C8E #6C258E #8E3725 #478E25

square

#257C8E #6C258E #8E3725 #478E25

split-complementary

#257C8E #8E2547 #8E6C25

monochromatic

#0C272D #18525D #257C8E #32A6BF #5ABFD4

Accessibility & contrast

On white

4.82

#257C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#257C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C8E

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257C8E	#FFFFFF	#000000	##FFFFFF
##257C8E	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F788F

Deuteranopia (green-blind)

#616D8E

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257c8e;
/* rgb */ color: rgb(37, 124, 142);
/* oklch */ color: oklch(54.4% 0.084 214.6);

Tailwind

colors: {
  custom: {
    50: '#70a2af',
    500: '#257c8e',
    950: '#000000',
  },
}

SCSS

$custom: #257c8e;
$custom-light: #70a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#257c8e",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 190.286,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54381,
    "c": 0.084,
    "h": 214.6
  },
  "luminance": 0.16762
}

Semantic roles & 50–950 ramp

primary

#257C8E

secondary

#B96756

accent

#6146E2

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #257C8E

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

Preview Lab → · Contrast checker → · Palette generator →