#255678#255678

#255678 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.077 H 241.9°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#255678
RGB	rgb(37, 86, 120)
HSL	hsl(205, 53%, 31%)
HSV	hsv(205, 69%, 47%)
CMYK	cmyk(69.2%, 28.3%, 0%, 52.9%)
CIE-LAB	lab(34.81, -4.75, -24.14)
CIE-LCH	lch(34.81, 24.61, 258.87°)
OKLab	oklab(43.57% -0.0364 -0.068)
OKLCH	oklch(43.57% 0.077 241.9)
XYZ	xyz(7.4796, 8.4042, 18.9936)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255678 #784725

analogous

#257870 #255678 #252D78

triadic

#255678 #782556 #567825

tetradic

#255678 #702578 #784725 #2D7825

square

#255678 #702578 #784725 #2D7825

split-complementary

#255678 #78252D #787025

monochromatic

#08131A #173449 #255678 #3378A7 #4F97C9

Accessibility & contrast

On white

7.83

#255678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#255678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255678

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255678	#FFFFFF	#000000	##FFFFFF
##255678	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47567A

Deuteranopia (green-blind)

#3B4E77

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255678;
/* rgb */ color: rgb(37, 86, 120);
/* oklch */ color: oklch(43.6% 0.077 241.9);

Tailwind

colors: {
  custom: {
    50: '#6a859f',
    500: '#255678',
    950: '#000000',
  },
}

SCSS

$custom: #255678;
$custom-light: #6a859f;
$custom-dark: #000000;

JSON

{
  "hex": "#255678",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 120
  },
  "hsl": {
    "h": 204.578,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43566,
    "c": 0.07715,
    "h": 241.9
  },
  "luminance": 0.08405
}

Semantic roles & 50–950 ramp

primary

#255678

secondary

#AA744E

accent

#874CDC

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255678

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

Preview Lab → · Contrast checker → · Palette generator →