#155771#155771

#155771 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.076 H 229.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#155771
RGB	rgb(21, 87, 113)
HSL	hsl(197, 69%, 26%)
HSV	hsv(197, 81%, 44%)
CMYK	cmyk(81.4%, 23%, 0%, 55.7%)
CIE-LAB	lab(34.33, -10.42, -20.59)
CIE-LCH	lch(34.33, 23.08, 243.15°)
OKLab	oklab(42.94% -0.0495 -0.0579)
OKLCH	oklch(42.94% 0.076 229.5)
XYZ	xyz(6.6969, 8.1673, 16.8431)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155771 #712F15

analogous

#15715D #155771 #152971

triadic

#155771 #711557 #577115

tetradic

#155771 #5D1571 #712F15 #297115

square

#155771 #5D1571 #712F15 #297115

split-complementary

#155771 #711529 #715D15

monochromatic

#05141A #0B2F3D #155771 #1F7FA5 #29A6D7

Accessibility & contrast

On white

7.97

#155771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#155771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155771

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155771	#FFFFFF	#000000	##FFFFFF
##155771	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5672

Deuteranopia (green-blind)

#3D4D71

Tritanopia (blue-blind)

#005E60

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155771;
/* rgb */ color: rgb(21, 87, 113);
/* oklch */ color: oklch(42.9% 0.076 229.5);

Tailwind

colors: {
  custom: {
    50: '#63869a',
    500: '#155771',
    950: '#000000',
  },
}

SCSS

$custom: #155771;
$custom-light: #63869a;
$custom-dark: #000000;

JSON

{
  "hex": "#155771",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 113
  },
  "hsl": {
    "h": 196.957,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.42938,
    "c": 0.07615,
    "h": 229.5
  },
  "luminance": 0.08168
}

Semantic roles & 50–950 ramp

primary

#155771

secondary

#A7593B

accent

#6E3CEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155771

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

Preview Lab → · Contrast checker → · Palette generator →