#255B7E#255B7E

#255B7E is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.2% C 0.081 H 240.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#255B7E
RGB	rgb(37, 91, 126)
HSL	hsl(204, 55%, 32%)
HSV	hsv(204, 71%, 49%)
CMYK	cmyk(70.6%, 27.8%, 0%, 50.6%)
CIE-LAB	lab(36.71, -5.64, -24.88)
CIE-LCH	lch(36.71, 25.51, 257.22°)
OKLab	oklab(45.16% -0.0398 -0.0701)
OKLCH	oklch(45.16% 0.081 240.4)
XYZ	xyz(8.2685, 9.3810, 21.1096)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B7E #7E4825

analogous

#257E75 #255B7E #252E7E

triadic

#255B7E #7E255B #5B7E25

tetradic

#255B7E #75257E #7E4825 #2E7E25

square

#255B7E #75257E #7E4825 #2E7E25

split-complementary

#255B7E #7E252E #7E7525

monochromatic

#09171F #17394F #255B7E #337DAD #519CCC

Accessibility & contrast

On white

7.30

#255B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#255B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B7E

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B7E	#FFFFFF	#000000	##FFFFFF
##255B7E	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B80

Deuteranopia (green-blind)

#3F527D

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255b7e;
/* rgb */ color: rgb(37, 91, 126);
/* oklch */ color: oklch(45.2% 0.081 240.4);

Tailwind

colors: {
  custom: {
    50: '#6b89a3',
    500: '#255b7e',
    950: '#000000',
  },
}

SCSS

$custom: #255b7e;
$custom-light: #6b89a3;
$custom-dark: #000000;

JSON

{
  "hex": "#255b7e",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 126
  },
  "hsl": {
    "h": 203.596,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.45164,
    "c": 0.08064,
    "h": 240.4
  },
  "luminance": 0.09382
}

Semantic roles & 50–950 ramp

primary

#255B7E

secondary

#B0754F

accent

#844ADE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255B7E

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

Preview Lab → · Contrast checker → · Palette generator →