#155E7A#155E7A

#155E7A is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.3% C 0.081 H 229.2°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#155E7A
RGB	rgb(21, 94, 122)
HSL	hsl(197, 71%, 28%)
HSV	hsv(197, 83%, 48%)
CMYK	cmyk(82.8%, 23%, 0%, 52.2%)
CIE-LAB	lab(37.06, -11.20, -21.91)
CIE-LCH	lch(37.06, 24.61, 242.93°)
OKLab	oklab(45.26% -0.0531 -0.0616)
OKLCH	oklch(45.26% 0.081 229.2)
XYZ	xyz(7.8234, 9.5690, 19.8433)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E7A #7A3115

analogous

#157A63 #155E7A #152B7A

triadic

#155E7A #7A155E #5E7A15

tetradic

#155E7A #63157A #7A3115 #2B7A15

square

#155E7A #63157A #7A3115 #2B7A15

split-complementary

#155E7A #7A152B #7A6315

monochromatic

#04141A #0C3646 #155E7A #1E86AE #2EABDB

Accessibility & contrast

On white

7.21

#155E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#155E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E7A

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E7A	#FFFFFF	#000000	##FFFFFF
##155E7A	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5C7B

Deuteranopia (green-blind)

#42537A

Tritanopia (blue-blind)

#006667

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155e7a;
/* rgb */ color: rgb(21, 94, 122);
/* oklch */ color: oklch(45.3% 0.081 229.2);

Tailwind

colors: {
  custom: {
    50: '#658ba0',
    500: '#155e7a',
    950: '#000000',
  },
}

SCSS

$custom: #155e7a;
$custom-light: #658ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#155e7a",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 122
  },
  "hsl": {
    "h": 196.634,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.45256,
    "c": 0.0814,
    "h": 229.2
  },
  "luminance": 0.0957
}

Semantic roles & 50–950 ramp

primary

#155E7A

secondary

#AF5C3B

accent

#6C3AED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E7A

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

Preview Lab → · Contrast checker → · Palette generator →