#155E6B#155E6B

#155E6B is a dark, moderate teal. Relative luminance 0.092; OKLCH L 44.5% C 0.071 H 212.6°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#155E6B
RGB	rgb(21, 94, 107)
HSL	hsl(189, 67%, 25%)
HSV	hsv(189, 80%, 42%)
CMYK	cmyk(80.4%, 12.1%, 0%, 58%)
CIE-LAB	lab(36.41, -16.70, -13.65)
CIE-LCH	lch(36.41, 21.57, 219.28°)
OKLab	oklab(44.53% -0.0595 -0.0381)
OKLCH	oklch(44.53% 0.071 212.6)
XYZ	xyz(6.9647, 9.2255, 15.3207)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E6B #6B2215

analogous

#156B4D #155E6B #15336B

triadic

#155E6B #6B155E #5E6B15

tetradic

#155E6B #4D156B #6B2215 #336B15

square

#155E6B #4D156B #6B2215 #336B15

split-complementary

#155E6B #6B1533 #6B4D15

monochromatic

#05161A #0B3138 #155E6B #1F8B9E #29B8D1

Accessibility & contrast

On white

7.38

#155E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#155E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E6B

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E6B	#FFFFFF	#000000	##FFFFFF
##155E6B	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545B6C

Deuteranopia (green-blind)

#48526B

Tritanopia (blue-blind)

#006362

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155e6b;
/* rgb */ color: rgb(21, 94, 107);
/* oklch */ color: oklch(44.5% 0.071 212.6);

Tailwind

colors: {
  custom: {
    50: '#628c95',
    500: '#155e6b',
    950: '#000000',
  },
}

SCSS

$custom: #155e6b;
$custom-light: #628c95;
$custom-dark: #000000;

JSON

{
  "hex": "#155e6b",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 107
  },
  "hsl": {
    "h": 189.07,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.44528,
    "c": 0.07065,
    "h": 212.6
  },
  "luminance": 0.09226
}

Semantic roles & 50–950 ramp

primary

#155E6B

secondary

#A24A3A

accent

#583EEA

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #155E6B

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

Preview Lab → · Contrast checker → · Palette generator →