#155FA0#155FA0

#155FA0 is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 47.7% C 0.125 H 250.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#155FA0
RGB	rgb(21, 95, 160)
HSL	hsl(208, 77%, 35%)
HSV	hsv(208, 87%, 63%)
CMYK	cmyk(86.9%, 40.6%, 0%, 37.3%)
CIE-LAB	lab(39.38, 3.06, -41.24)
CIE-LCH	lch(39.38, 41.36, 274.24°)
OKLab	oklab(47.75% -0.0419 -0.118)
OKLCH	oklch(47.75% 0.125 250.5)
XYZ	xyz(10.7442, 10.8805, 34.7848)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155FA0 #A05615

analogous

#15A09C #155FA0 #1519A0

triadic

#155FA0 #A0155F #5FA015

tetradic

#155FA0 #9C15A0 #A05615 #19A015

square

#155FA0 #9C15A0 #A05615 #19A015

split-complementary

#155FA0 #A01519 #A09C15

monochromatic

#071F34 #0E3F6A #155FA0 #1C7FD6 #489DE7

Accessibility & contrast

On white

6.61

#155FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#155FA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155FA0

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155FA0	#FFFFFF	#000000	##FFFFFF
##155FA0	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F63A3

Deuteranopia (green-blind)

#28579F

Tritanopia (blue-blind)

#006F77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #155fa0;
/* rgb */ color: rgb(21, 95, 160);
/* oklch */ color: oklch(47.7% 0.125 250.5);

Tailwind

colors: {
  custom: {
    50: '#6d8bbc',
    500: '#155fa0',
    950: '#000000',
  },
}

SCSS

$custom: #155fa0;
$custom-light: #6d8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#155fa0",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 160
  },
  "hsl": {
    "h": 208.058,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.47748,
    "c": 0.1252,
    "h": 250.5
  },
  "luminance": 0.10882
}

Semantic roles & 50–950 ramp

primary

#155FA0

secondary

#C88449

accent

#8E34F3

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C12

muted

#7B7D81

Preview Lab

Preview with #155FA0

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

Preview Lab → · Contrast checker → · Palette generator →