#155F7C#155F7C

#155F7C is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.6% C 0.083 H 229.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#155F7C
RGB	rgb(21, 95, 124)
HSL	hsl(197, 71%, 28%)
HSV	hsv(197, 83%, 49%)
CMYK	cmyk(83.1%, 23.4%, 0%, 51.4%)
CIE-LAB	lab(37.48, -11.04, -22.49)
CIE-LCH	lch(37.48, 25.05, 243.86°)
OKLab	oklab(45.62% -0.0534 -0.0633)
OKLCH	oklch(45.62% 0.083 229.8)
XYZ	xyz(8.0381, 9.7981, 20.5325)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F7C #7C3215

analogous

#157C65 #155F7C #152B7C

triadic

#155F7C #7C155F #5F7C15

tetradic

#155F7C #65157C #7C3215 #2B7C15

square

#155F7C #65157C #7C3215 #2B7C15

split-complementary

#155F7C #7C152B #7C6515

monochromatic

#04141A #0C3748 #155F7C #1E87B0 #30ABDC

Accessibility & contrast

On white

7.10

#155F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#155F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F7C

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F7C	#FFFFFF	#000000	##FFFFFF
##155F7C	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505E7D

Deuteranopia (green-blind)

#42547C

Tritanopia (blue-blind)

#006769

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #155f7c;
/* rgb */ color: rgb(21, 95, 124);
/* oklch */ color: oklch(45.6% 0.083 229.8);

Tailwind

colors: {
  custom: {
    50: '#658ca2',
    500: '#155f7c',
    950: '#000000',
  },
}

SCSS

$custom: #155f7c;
$custom-light: #658ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#155f7c",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 124
  },
  "hsl": {
    "h": 196.893,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.45623,
    "c": 0.0828,
    "h": 229.8
  },
  "luminance": 0.09799
}

Semantic roles & 50–950 ramp

primary

#155F7C

secondary

#B15D3C

accent

#6D3AEE

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #155F7C

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

Preview Lab → · Contrast checker → · Palette generator →