#155D7D#155D7D

#155D7D is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.2% C 0.085 H 233.1°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#155D7D
RGB	rgb(21, 93, 125)
HSL	hsl(198, 71%, 29%)
HSV	hsv(198, 83%, 49%)
CMYK	cmyk(83.2%, 25.6%, 0%, 51%)
CIE-LAB	lab(36.87, -9.46, -24.05)
CIE-LCH	lch(36.87, 25.84, 248.52°)
OKLab	oklab(45.15% -0.051 -0.0678)
OKLCH	oklch(45.15% 0.085 233.1)
XYZ	xyz(7.9238, 9.4678, 20.8079)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D7D #7D3515

analogous

#157D69 #155D7D #15297D

triadic

#155D7D #7D155D #5D7D15

tetradic

#155D7D #69157D #7D3515 #297D15

square

#155D7D #69157D #7D3515 #297D15

split-complementary

#155D7D #7D1529 #7D6915

monochromatic

#04131A #0C3649 #155D7D #1E84B1 #30A7DC

Accessibility & contrast

On white

7.26

#155D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#155D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D7D

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D7D	#FFFFFF	#000000	##FFFFFF
##155D7D	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5C7F

Deuteranopia (green-blind)

#3F537C

Tritanopia (blue-blind)

#006668

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155d7d;
/* rgb */ color: rgb(21, 93, 125);
/* oklch */ color: oklch(45.2% 0.085 233.1);

Tailwind

colors: {
  custom: {
    50: '#658aa2',
    500: '#155d7d',
    950: '#000000',
  },
}

SCSS

$custom: #155d7d;
$custom-light: #658aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#155d7d",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 125
  },
  "hsl": {
    "h": 198.462,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.45153,
    "c": 0.08484,
    "h": 233.1
  },
  "luminance": 0.09469
}

Semantic roles & 50–950 ramp

primary

#155D7D

secondary

#B2603C

accent

#713AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155D7D

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

Preview Lab → · Contrast checker → · Palette generator →