#155D7E#155D7E

#155D7E is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.2% C 0.086 H 233.9°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#155D7E
RGB	rgb(21, 93, 126)
HSL	hsl(199, 71%, 29%)
HSV	hsv(199, 83%, 49%)
CMYK	cmyk(83.3%, 26.2%, 0%, 50.6%)
CIE-LAB	lab(36.92, -9.08, -24.58)
CIE-LCH	lch(36.92, 26.21, 249.73°)
OKLab	oklab(45.21% -0.0506 -0.0694)
OKLCH	oklch(45.21% 0.086 233.9)
XYZ	xyz(7.9880, 9.4935, 21.1460)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D7E #7E3615

analogous

#157E6B #155D7E #15297E

triadic

#155D7E #7E155D #5D7E15

tetradic

#155D7E #6B157E #7E3615 #297E15

square

#155D7E #6B157E #7E3615 #297E15

split-complementary

#155D7E #7E1529 #7E6B15

monochromatic

#04131A #0C364A #155D7E #1E84B2 #31A7DD

Accessibility & contrast

On white

7.24

#155D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#155D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D7E

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D7E	#FFFFFF	#000000	##FFFFFF
##155D7E	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5C80

Deuteranopia (green-blind)

#3F537D

Tritanopia (blue-blind)

#006668

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155d7e;
/* rgb */ color: rgb(21, 93, 126);
/* oklch */ color: oklch(45.2% 0.086 233.9);

Tailwind

colors: {
  custom: {
    50: '#668aa3',
    500: '#155d7e',
    950: '#000000',
  },
}

SCSS

$custom: #155d7e;
$custom-light: #668aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#155d7e",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 126
  },
  "hsl": {
    "h": 198.857,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.45207,
    "c": 0.08586,
    "h": 233.9
  },
  "luminance": 0.09494
}

Semantic roles & 50–950 ramp

primary

#155D7E

secondary

#B3613C

accent

#723AEE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155D7E

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

Preview Lab → · Contrast checker → · Palette generator →