#155BA0#155BA0

#155BA0 is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 46.8% C 0.130 H 252.7°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#155BA0
RGB	rgb(21, 91, 160)
HSL	hsl(210, 77%, 35%)
HSV	hsv(210, 87%, 63%)
CMYK	cmyk(86.9%, 43.1%, 0%, 37.3%)
CIE-LAB	lab(38.16, 5.65, -43.19)
CIE-LCH	lch(38.16, 43.56, 277.45°)
OKLab	oklab(46.8% -0.0386 -0.1238)
OKLCH	oklch(46.8% 0.13 252.7)
XYZ	xyz(10.3931, 10.1783, 34.6677)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155BA0 #A05A15

analogous

#15A09F #155BA0 #1515A0

triadic

#155BA0 #A0155B #5BA015

tetradic

#155BA0 #9F15A0 #A05A15 #15A015

square

#155BA0 #9F15A0 #A05A15 #15A015

split-complementary

#155BA0 #A01515 #A09F15

monochromatic

#071D34 #0E3C6A #155BA0 #1C7AD6 #4898E7

Accessibility & contrast

On white

6.92

#155BA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#155BA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155BA0

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155BA0	#FFFFFF	#000000	##FFFFFF
##155BA0	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3860A3

Deuteranopia (green-blind)

#1E549F

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #155ba0;
/* rgb */ color: rgb(21, 91, 160);
/* oklch */ color: oklch(46.8% 0.130 252.7);

Tailwind

colors: {
  custom: {
    50: '#6d88bc',
    500: '#155ba0',
    950: '#000000',
  },
}

SCSS

$custom: #155ba0;
$custom-light: #6d88bc;
$custom-dark: #000000;

JSON

{
  "hex": "#155ba0",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 160
  },
  "hsl": {
    "h": 209.784,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46797,
    "c": 0.12967,
    "h": 252.7
  },
  "luminance": 0.1018
}

Semantic roles & 50–950 ramp

primary

#155BA0

secondary

#C88849

accent

#9334F3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #155BA0

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

Preview Lab → · Contrast checker → · Palette generator →