#255B7D#255B7D

#255B7D is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.079 H 239.6°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#255B7D
RGB	rgb(37, 91, 125)
HSL	hsl(203, 54%, 32%)
HSV	hsv(203, 70%, 49%)
CMYK	cmyk(70.4%, 27.2%, 0%, 51%)
CIE-LAB	lab(36.66, -6.01, -24.34)
CIE-LCH	lch(36.66, 25.07, 256.13°)
OKLab	oklab(45.11% -0.0402 -0.0685)
OKLCH	oklch(45.11% 0.079 239.6)
XYZ	xyz(8.2043, 9.3553, 20.7714)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B7D #7D4725

analogous

#257D73 #255B7D #252F7D

triadic

#255B7D #7D255B #5B7D25

tetradic

#255B7D #73257D #7D4725 #2F7D25

square

#255B7D #73257D #7D4725 #2F7D25

split-complementary

#255B7D #7D252F #7D7325

monochromatic

#09161F #17394E #255B7D #337DAC #519CCB

Accessibility & contrast

On white

7.31

#255B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#255B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B7D

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B7D	#FFFFFF	#000000	##FFFFFF
##255B7D	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7F

Deuteranopia (green-blind)

#3F527C

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255b7d;
/* rgb */ color: rgb(37, 91, 125);
/* oklch */ color: oklch(45.1% 0.079 239.6);

Tailwind

colors: {
  custom: {
    50: '#6b89a2',
    500: '#255b7d',
    950: '#000000',
  },
}

SCSS

$custom: #255b7d;
$custom-light: #6b89a2;
$custom-dark: #000000;

JSON

{
  "hex": "#255b7d",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 125
  },
  "hsl": {
    "h": 203.182,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4511,
    "c": 0.07947,
    "h": 239.6
  },
  "luminance": 0.09356
}

Semantic roles & 50–950 ramp

primary

#255B7D

secondary

#AF744F

accent

#834ADE

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255B7D

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

Preview Lab → · Contrast checker → · Palette generator →