#155F7E#155F7E

#155F7E is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.7% C 0.085 H 231.6°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#155F7E
RGB	rgb(21, 95, 126)
HSL	hsl(198, 71%, 29%)
HSV	hsv(198, 83%, 49%)
CMYK	cmyk(83.3%, 24.6%, 0%, 50.6%)
CIE-LAB	lab(37.57, -10.28, -23.57)
CIE-LCH	lch(37.57, 25.71, 246.43°)
OKLab	oklab(45.73% -0.0526 -0.0664)
OKLCH	oklch(45.73% 0.085 231.6)
XYZ	xyz(8.1658, 9.8492, 21.2053)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F7E #7E3415

analogous

#157E69 #155F7E #152B7E

triadic

#155F7E #7E155F #5F7E15

tetradic

#155F7E #69157E #7E3415 #2B7E15

square

#155F7E #69157E #7E3415 #2B7E15

split-complementary

#155F7E #7E152B #7E6915

monochromatic

#04141A #0C374A #155F7E #1E87B2 #31AADD

Accessibility & contrast

On white

7.07

#155F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#155F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F7E

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F7E	#FFFFFF	#000000	##FFFFFF
##155F7E	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5E7F

Deuteranopia (green-blind)

#42547E

Tritanopia (blue-blind)

#006769

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #155f7e;
/* rgb */ color: rgb(21, 95, 126);
/* oklch */ color: oklch(45.7% 0.085 231.6);

Tailwind

colors: {
  custom: {
    50: '#668ca3',
    500: '#155f7e',
    950: '#000000',
  },
}

SCSS

$custom: #155f7e;
$custom-light: #668ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#155f7e",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 126
  },
  "hsl": {
    "h": 197.714,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.45727,
    "c": 0.08472,
    "h": 231.6
  },
  "luminance": 0.0985
}

Semantic roles & 50–950 ramp

primary

#155F7E

secondary

#B35F3C

accent

#6F3AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #155F7E

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

Preview Lab → · Contrast checker → · Palette generator →