#257181#257181

#257181 is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.0% C 0.076 H 214.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#257181
RGB	rgb(37, 113, 129)
HSL	hsl(190, 55%, 33%)
HSV	hsv(190, 71%, 51%)
CMYK	cmyk(71.3%, 12.4%, 0%, 49.4%)
CIE-LAB	lab(43.93, -17.41, -15.56)
CIE-LCH	lch(43.93, 23.35, 221.78°)
OKLab	oklab(50.97% -0.0629 -0.0433)
OKLCH	oklch(50.97% 0.076 214.6)
XYZ	xyz(10.6289, 13.7873, 22.8657)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257181 #813525

analogous

#258163 #257181 #254381

triadic

#257181 #812571 #718125

tetradic

#257181 #632581 #813525 #438125

square

#257181 #632581 #813525 #438125

split-complementary

#257181 #812543 #816325

monochromatic

#0A1E22 #174751 #257181 #339BB1 #53B8CE

Accessibility & contrast

On white

5.59

#257181 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#257181 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257181

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257181	#FFFFFF	#000000	##FFFFFF
##257181	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666D82

Deuteranopia (green-blind)

#596481

Tritanopia (blue-blind)

#007776

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #257181;
/* rgb */ color: rgb(37, 113, 129);
/* oklch */ color: oklch(51.0% 0.076 214.6);

Tailwind

colors: {
  custom: {
    50: '#6d9aa5',
    500: '#257181',
    950: '#000000',
  },
}

SCSS

$custom: #257181;
$custom-light: #6d9aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#257181",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 129
  },
  "hsl": {
    "h": 190.435,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50973,
    "c": 0.07634,
    "h": 214.6
  },
  "luminance": 0.13789
}

Semantic roles & 50–950 ramp

primary

#257181

secondary

#B26150

accent

#6349DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E0F

muted

#7B7E7F

Preview Lab

Preview with #257181

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

Preview Lab → · Contrast checker → · Palette generator →