#255F7B#255F7B

#255F7B is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.0% C 0.075 H 232.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#255F7B
RGB	rgb(37, 95, 123)
HSL	hsl(200, 54%, 31%)
HSV	hsv(200, 70%, 48%)
CMYK	cmyk(69.9%, 22.8%, 0%, 51.8%)
CIE-LAB	lab(37.85, -9.16, -21.26)
CIE-LCH	lch(37.85, 23.15, 246.68°)
OKLab	oklab(46.03% -0.0454 -0.0596)
OKLCH	oklch(46.03% 0.075 232.7)
XYZ	xyz(8.4289, 10.0069, 20.2224)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F7B #7B4125

analogous

#257B6C #255F7B #25347B

triadic

#255F7B #7B255F #5F7B25

tetradic

#255F7B #6C257B #7B4125 #347B25

square

#255F7B #6C257B #7B4125 #347B25

split-complementary

#255F7B #7B2534 #7B6C25

monochromatic

#09161D #173B4C #255F7B #3383AA #50A3CA

Accessibility & contrast

On white

7.00

#255F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#255F7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F7B

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F7B	#FFFFFF	#000000	##FFFFFF
##255F7B	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515E7C

Deuteranopia (green-blind)

#45557B

Tritanopia (blue-blind)

#006768

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255f7b;
/* rgb */ color: rgb(37, 95, 123);
/* oklch */ color: oklch(46.0% 0.075 232.7);

Tailwind

colors: {
  custom: {
    50: '#6b8ca1',
    500: '#255f7b',
    950: '#000000',
  },
}

SCSS

$custom: #255f7b;
$custom-light: #6b8ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#255f7b",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 123
  },
  "hsl": {
    "h": 199.535,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.46029,
    "c": 0.07494,
    "h": 232.7
  },
  "luminance": 0.10008
}

Semantic roles & 50–950 ramp

primary

#255F7B

secondary

#AD6D4F

accent

#7A4BDD

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #255F7B

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

Preview Lab → · Contrast checker → · Palette generator →