#1B7C90#1B7C90

#1B7C90 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.2% C 0.089 H 215.6°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B7C90
RGB	rgb(27, 124, 144)
HSL	hsl(190, 68%, 34%)
HSV	hsv(190, 81%, 56%)
CMYK	cmyk(81.3%, 13.9%, 0%, 43.5%)
CIE-LAB	lab(47.83, -19.57, -18.52)
CIE-LCH	lch(47.83, 26.94, 223.43°)
OKLab	oklab(54.25% -0.0724 -0.0517)
OKLCH	oklch(54.25% 0.089 215.6)
XYZ	xyz(12.6915, 16.6604, 28.9270)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7C90 #902F1B

analogous

#1B9069 #1B7C90 #1B4290

triadic

#1B7C90 #901B7C #7C901B

tetradic

#1B7C90 #691B90 #902F1B #42901B

square

#1B7C90 #691B90 #902F1B #42901B

split-complementary

#1B7C90 #901B42 #90691B

monochromatic

#082329 #11505C #1B7C90 #25A8C4 #49C3DD

Accessibility & contrast

On white

4.85

#1B7C90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#1B7C90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7C90

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7C90	#FFFFFF	#000000	##FFFFFF
##1B7C90	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7891

Deuteranopia (green-blind)

#5F6D90

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b7c90;
/* rgb */ color: rgb(27, 124, 144);
/* oklch */ color: oklch(54.2% 0.089 215.6);

Tailwind

colors: {
  custom: {
    50: '#6da2b0',
    500: '#1b7c90',
    950: '#000000',
  },
}

SCSS

$custom: #1b7c90;
$custom-light: #6da2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7c90",
  "rgb": {
    "r": 27,
    "g": 124,
    "b": 144
  },
  "hsl": {
    "h": 190.256,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54245,
    "c": 0.08895,
    "h": 215.6
  },
  "luminance": 0.16662
}

Semantic roles & 50–950 ramp

primary

#1B7C90

secondary

#BF5C48

accent

#5A3DEB

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1B7C90

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

Preview Lab → · Contrast checker → · Palette generator →