#1B879E#1B879E

#1B879E is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.7% C 0.096 H 216.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B879E
RGB	rgb(27, 135, 158)
HSL	hsl(191, 71%, 36%)
HSV	hsv(191, 83%, 62%)
CMYK	cmyk(82.9%, 14.6%, 0%, 38%)
CIE-LAB	lab(51.87, -20.63, -20.51)
CIE-LCH	lch(51.87, 29.09, 224.83°)
OKLab	oklab(57.68% -0.0774 -0.0573)
OKLCH	oklch(57.68% 0.096 216.5)
XYZ	xyz(15.2849, 20.0276, 35.4013)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B879E #9E321B

analogous

#1B9E74 #1B879E #1B469E

triadic

#1B879E #9E1B87 #879E1B

tetradic

#1B879E #741B9E #9E321B #469E1B

square

#1B879E #741B9E #9E321B #469E1B

split-complementary

#1B879E #9E1B46 #9E741B

monochromatic

#092E35 #125A6A #1B879E #24B4D2 #52C8E1

Accessibility & contrast

On white

4.19

#1B879E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#1B879E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B879E

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B879E	#FFFFFF	#000000	##000000
##1B879E	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78839F

Deuteranopia (green-blind)

#67769E

Tritanopia (blue-blind)

#008F8E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1b879e;
/* rgb */ color: rgb(27, 135, 158);
/* oklch */ color: oklch(57.7% 0.096 216.5);

Tailwind

colors: {
  custom: {
    50: '#70aaba',
    500: '#1b879e',
    950: '#000000',
  },
}

SCSS

$custom: #1b879e;
$custom-light: #70aaba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b879e",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 158
  },
  "hsl": {
    "h": 190.534,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.57681,
    "c": 0.09636,
    "h": 216.5
  },
  "luminance": 0.2003
}

Semantic roles & 50–950 ramp

primary

#1B879E

secondary

#C46551

accent

#5A3AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1B879E

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

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