#257C9C#257C9C

#257C9C is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.094 H 227.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#257C9C
RGB	rgb(37, 124, 156)
HSL	hsl(196, 62%, 38%)
HSV	hsv(196, 76%, 61%)
CMYK	cmyk(76.3%, 20.5%, 0%, 38.8%)
CIE-LAB	lab(48.52, -14.24, -24.49)
CIE-LCH	lch(48.52, 28.33, 239.82°)
OKLab	oklab(55.02% -0.0634 -0.0687)
OKLCH	oklch(55.02% 0.094 227.3)
XYZ	xyz(13.9689, 17.2073, 34.0312)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257C9C #9C4525

analogous

#259C80 #257C9C #25419C

triadic

#257C9C #9C257C #7C9C25

tetradic

#257C9C #80259C #9C4525 #419C25

square

#257C9C #80259C #9C4525 #419C25

split-complementary

#257C9C #9C2541 #9C8025

monochromatic

#0E2D39 #19556B #257C9C #31A3CD #62B9DA

Accessibility & contrast

On white

4.73

#257C9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#257C9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C9C

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257C9C	#FFFFFF	#000000	##FFFFFF
##257C9C	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7A9E

Deuteranopia (green-blind)

#5B6E9C

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257c9c;
/* rgb */ color: rgb(37, 124, 156);
/* oklch */ color: oklch(55.0% 0.094 227.3);

Tailwind

colors: {
  custom: {
    50: '#72a2b9',
    500: '#257c9c',
    950: '#000000',
  },
}

SCSS

$custom: #257c9c;
$custom-light: #72a2b9;
$custom-dark: #000000;

JSON

{
  "hex": "#257c9c",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 156
  },
  "hsl": {
    "h": 196.134,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.5502,
    "c": 0.09351,
    "h": 227.3
  },
  "luminance": 0.17209
}

Semantic roles & 50–950 ramp

primary

#257C9C

secondary

#BF785E

accent

#6F43E5

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #257C9C

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

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