#155AA0#155AA0

#155AA0 is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.131 H 253.2°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#155AA0
RGB	rgb(21, 90, 160)
HSL	hsl(210, 77%, 35%)
HSV	hsv(210, 87%, 63%)
CMYK	cmyk(86.9%, 43.7%, 0%, 37.3%)
CIE-LAB	lab(37.86, 6.30, -43.67)
CIE-LCH	lch(37.86, 44.13, 278.21°)
OKLab	oklab(46.56% -0.0378 -0.1252)
OKLCH	oklch(46.56% 0.131 253.2)
XYZ	xyz(10.3082, 10.0085, 34.6394)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155AA0 #A05B15

analogous

#159FA0 #155AA0 #1515A0

triadic

#155AA0 #A0155A #5AA015

tetradic

#155AA0 #A0159F #A05B15 #15A015

square

#155AA0 #A0159F #A05B15 #15A015

split-complementary

#155AA0 #A01515 #9FA015

monochromatic

#071D34 #0E3C6A #155AA0 #1C78D6 #4897E7

Accessibility & contrast

On white

7.00

#155AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#155AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155AA0

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155AA0	#FFFFFF	#000000	##FFFFFF
##155AA0	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3660A3

Deuteranopia (green-blind)

#1A539F

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #155aa0;
/* rgb */ color: rgb(21, 90, 160);
/* oklch */ color: oklch(46.6% 0.131 253.2);

Tailwind

colors: {
  custom: {
    50: '#6d88bc',
    500: '#155aa0',
    950: '#000000',
  },
}

SCSS

$custom: #155aa0;
$custom-light: #6d88bc;
$custom-dark: #000000;

JSON

{
  "hex": "#155aa0",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 160
  },
  "hsl": {
    "h": 210.216,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46561,
    "c": 0.13082,
    "h": 253.2
  },
  "luminance": 0.1001
}

Semantic roles & 50–950 ramp

primary

#155AA0

secondary

#C88949

accent

#9534F3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #155AA0

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

Preview Lab → · Contrast checker → · Palette generator →