#255F8A#255F8A

#255F8A is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.8% C 0.092 H 244.2°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#255F8A
RGB	rgb(37, 95, 138)
HSL	hsl(206, 58%, 34%)
HSV	hsv(206, 73%, 54%)
CMYK	cmyk(73.2%, 31.2%, 0%, 45.9%)
CIE-LAB	lab(38.57, -3.66, -29.27)
CIE-LCH	lch(38.57, 29.50, 262.87°)
OKLab	oklab(46.83% -0.04 -0.0828)
OKLCH	oklch(46.83% 0.092 244.2)
XYZ	xyz(9.4408, 10.4117, 25.5519)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F8A #8A5025

analogous

#258A83 #255F8A #252C8A

triadic

#255F8A #8A255F #5F8A25

tetradic

#255F8A #83258A #8A5025 #2C8A25

square

#255F8A #83258A #8A5025 #2C8A25

split-complementary

#255F8A #8A252C #8A8325

monochromatic

#0B1D29 #183E5A #255F8A #3280BA #579ED2

Accessibility & contrast

On white

6.81

#255F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#255F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F8A

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F8A	#FFFFFF	#000000	##FFFFFF
##255F8A	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B608C

Deuteranopia (green-blind)

#3D5789

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255f8a;
/* rgb */ color: rgb(37, 95, 138);
/* oklch */ color: oklch(46.8% 0.092 244.2);

Tailwind

colors: {
  custom: {
    50: '#6d8cac',
    500: '#255f8a',
    950: '#000000',
  },
}

SCSS

$custom: #255f8a;
$custom-light: #6d8cac;
$custom-dark: #000000;

JSON

{
  "hex": "#255f8a",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 138
  },
  "hsl": {
    "h": 205.545,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.46833,
    "c": 0.092,
    "h": 244.2
  },
  "luminance": 0.10413
}

Semantic roles & 50–950 ramp

primary

#255F8A

secondary

#B77E54

accent

#8847E1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #255F8A

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

Preview Lab → · Contrast checker → · Palette generator →