#1B869F#1B869F

#1B869F is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.5% C 0.097 H 218.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B869F
RGB	rgb(27, 134, 159)
HSL	hsl(191, 71%, 36%)
HSV	hsv(191, 83%, 62%)
CMYK	cmyk(83%, 15.7%, 0%, 37.6%)
CIE-LAB	lab(51.59, -19.76, -21.51)
CIE-LCH	lch(51.59, 29.21, 227.44°)
OKLab	oklab(57.47% -0.076 -0.0602)
OKLCH	oklch(57.47% 0.097 218.4)
XYZ	xyz(15.2324, 19.7845, 35.8101)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B869F #9F341B

analogous

#1B9F76 #1B869F #1B449F

triadic

#1B869F #9F1B86 #869F1B

tetradic

#1B869F #761B9F #9F341B #449F1B

square

#1B869F #761B9F #9F341B #449F1B

split-complementary

#1B869F #9F1B44 #9F761B

monochromatic

#092E36 #125A6B #1B869F #24B2D3 #53C7E2

Accessibility & contrast

On white

4.24

#1B869F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#1B869F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B869F

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B869F	#FFFFFF	#000000	##000000
##1B869F	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7682A0

Deuteranopia (green-blind)

#65769F

Tritanopia (blue-blind)

#008E8E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #1b869f;
/* rgb */ color: rgb(27, 134, 159);
/* oklch */ color: oklch(57.5% 0.097 218.4);

Tailwind

colors: {
  custom: {
    50: '#70a9bb',
    500: '#1b869f',
    950: '#000000',
  },
}

SCSS

$custom: #1b869f;
$custom-light: #70a9bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b869f",
  "rgb": {
    "r": 27,
    "g": 134,
    "b": 159
  },
  "hsl": {
    "h": 191.364,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.57471,
    "c": 0.09699,
    "h": 218.4
  },
  "luminance": 0.19786
}

Semantic roles & 50–950 ramp

primary

#1B869F

secondary

#C56751

accent

#5C3AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1B869F

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

Preview Lab → · Contrast checker → · Palette generator →