#255E79#255E79

#255E79 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.7% C 0.073 H 232.1°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#255E79
RGB	rgb(37, 94, 121)
HSL	hsl(199, 53%, 31%)
HSV	hsv(199, 69%, 47%)
CMYK	cmyk(69.4%, 22.3%, 0%, 52.5%)
CIE-LAB	lab(37.44, -9.28, -20.67)
CIE-LCH	lch(37.44, 22.66, 245.82°)
OKLab	oklab(45.67% -0.045 -0.0579)
OKLCH	oklch(45.67% 0.073 232.1)
XYZ	xyz(8.2155, 9.7783, 19.5399)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E79 #794025

analogous

#25796A #255E79 #253479

triadic

#255E79 #79255E #5E7925

tetradic

#255E79 #6A2579 #794025 #347925

square

#255E79 #6A2579 #794025 #347925

split-complementary

#255E79 #792534 #796A25

monochromatic

#08151B #173A4A #255E79 #3382A8 #4FA2C9

Accessibility & contrast

On white

7.10

#255E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#255E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E79

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E79	#FFFFFF	#000000	##FFFFFF
##255E79	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515D7A

Deuteranopia (green-blind)

#455479

Tritanopia (blue-blind)

#006567

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255e79;
/* rgb */ color: rgb(37, 94, 121);
/* oklch */ color: oklch(45.7% 0.073 232.1);

Tailwind

colors: {
  custom: {
    50: '#6a8b9f',
    500: '#255e79',
    950: '#000000',
  },
}

SCSS

$custom: #255e79;
$custom-light: #6a8b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#255e79",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 121
  },
  "hsl": {
    "h": 199.286,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4567,
    "c": 0.0734,
    "h": 232.1
  },
  "luminance": 0.09779
}

Semantic roles & 50–950 ramp

primary

#255E79

secondary

#AB6C4E

accent

#7A4BDD

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #255E79

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

Preview Lab → · Contrast checker → · Palette generator →