#255F79#255F79

#255F79 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 45.9% C 0.073 H 230.7°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#255F79
RGB	rgb(37, 95, 121)
HSL	hsl(199, 53%, 31%)
HSV	hsv(199, 69%, 47%)
CMYK	cmyk(69.4%, 21.5%, 0%, 52.5%)
CIE-LAB	lab(37.77, -9.88, -20.17)
CIE-LCH	lch(37.77, 22.46, 243.91°)
OKLab	oklab(45.93% -0.0462 -0.0565)
OKLCH	oklch(45.93% 0.073 230.7)
XYZ	xyz(8.3050, 9.9573, 19.5697)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F79 #793F25

analogous

#257969 #255F79 #253579

triadic

#255F79 #79255F #5F7925

tetradic

#255F79 #692579 #793F25 #357925

square

#255F79 #692579 #793F25 #357925

split-complementary

#255F79 #792535 #796925

monochromatic

#08151B #173A4A #255F79 #3384A8 #4FA3C9

Accessibility & contrast

On white

7.02

#255F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#255F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255F79

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F79	#FFFFFF	#000000	##FFFFFF
##255F79	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525E7A

Deuteranopia (green-blind)

#465579

Tritanopia (blue-blind)

#006668

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255f79;
/* rgb */ color: rgb(37, 95, 121);
/* oklch */ color: oklch(45.9% 0.073 230.7);

Tailwind

colors: {
  custom: {
    50: '#6a8c9f',
    500: '#255f79',
    950: '#000000',
  },
}

SCSS

$custom: #255f79;
$custom-light: #6a8c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#255f79",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 121
  },
  "hsl": {
    "h": 198.571,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.45929,
    "c": 0.07297,
    "h": 230.7
  },
  "luminance": 0.09958
}

Semantic roles & 50–950 ramp

primary

#255F79

secondary

#AB6B4E

accent

#784BDD

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #255F79

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

Preview Lab → · Contrast checker → · Palette generator →