#255E78#255E78

#255E78 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.6% C 0.072 H 231.1°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#255E78
RGB	rgb(37, 94, 120)
HSL	hsl(199, 53%, 31%)
HSV	hsv(199, 69%, 47%)
CMYK	cmyk(69.2%, 21.7%, 0%, 52.9%)
CIE-LAB	lab(37.40, -9.64, -20.13)
CIE-LCH	lch(37.40, 22.31, 244.42°)
OKLab	oklab(45.62% -0.0454 -0.0564)
OKLCH	oklch(45.62% 0.072 231.1)
XYZ	xyz(8.1545, 9.7539, 19.2186)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E78 #783F25

analogous

#257868 #255E78 #253478

triadic

#255E78 #78255E #5E7825

tetradic

#255E78 #682578 #783F25 #347825

square

#255E78 #682578 #783F25 #347825

split-complementary

#255E78 #782534 #786825

monochromatic

#08151A #173949 #255E78 #3383A7 #4FA2C9

Accessibility & contrast

On white

7.12

#255E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#255E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E78

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E78	#FFFFFF	#000000	##FFFFFF
##255E78	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515D79

Deuteranopia (green-blind)

#455478

Tritanopia (blue-blind)

#006567

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255e78;
/* rgb */ color: rgb(37, 94, 120);
/* oklch */ color: oklch(45.6% 0.072 231.1);

Tailwind

colors: {
  custom: {
    50: '#6a8b9f',
    500: '#255e78',
    950: '#000000',
  },
}

SCSS

$custom: #255e78;
$custom-light: #6a8b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#255e78",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 120
  },
  "hsl": {
    "h": 198.795,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4562,
    "c": 0.07241,
    "h": 231.1
  },
  "luminance": 0.09755
}

Semantic roles & 50–950 ramp

primary

#255E78

secondary

#AA6B4E

accent

#794CDC

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #255E78

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

Preview Lab → · Contrast checker → · Palette generator →