#155C7D#155C7D

#155C7D is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.085 H 234.2°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#155C7D
RGB	rgb(21, 92, 125)
HSL	hsl(199, 71%, 29%)
HSV	hsv(199, 83%, 49%)
CMYK	cmyk(83.2%, 26.4%, 0%, 51%)
CIE-LAB	lab(36.54, -8.86, -24.55)
CIE-LCH	lch(36.54, 26.10, 250.16°)
OKLab	oklab(44.89% -0.05 -0.0693)
OKLCH	oklch(44.89% 0.085 234.2)
XYZ	xyz(7.8366, 9.2934, 20.7788)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C7D #7D3615

analogous

#157D6A #155C7D #15287D

triadic

#155C7D #7D155C #5C7D15

tetradic

#155C7D #6A157D #7D3615 #287D15

square

#155C7D #6A157D #7D3615 #287D15

split-complementary

#155C7D #7D1528 #7D6A15

monochromatic

#04131A #0C3549 #155C7D #1E83B1 #30A6DC

Accessibility & contrast

On white

7.35

#155C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#155C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C7D

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C7D	#FFFFFF	#000000	##FFFFFF
##155C7D	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5B7F

Deuteranopia (green-blind)

#3E527C

Tritanopia (blue-blind)

#006567

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155c7d;
/* rgb */ color: rgb(21, 92, 125);
/* oklch */ color: oklch(44.9% 0.085 234.2);

Tailwind

colors: {
  custom: {
    50: '#658aa2',
    500: '#155c7d',
    950: '#000000',
  },
}

SCSS

$custom: #155c7d;
$custom-light: #658aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#155c7d",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 125
  },
  "hsl": {
    "h": 199.038,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.44892,
    "c": 0.08544,
    "h": 234.2
  },
  "luminance": 0.09294
}

Semantic roles & 50–950 ramp

primary

#155C7D

secondary

#B2613C

accent

#733AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155C7D

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

Preview Lab → · Contrast checker → · Palette generator →