#1B91AE#1B91AE

#1B91AE is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.105 H 219.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B91AE
RGB	rgb(27, 145, 174)
HSL	hsl(192, 73%, 39%)
HSV	hsv(192, 84%, 68%)
CMYK	cmyk(84.5%, 16.7%, 0%, 31.8%)
CIE-LAB	lab(55.62, -20.45, -23.95)
CIE-LCH	lch(55.62, 31.49, 229.51°)
OKLab	oklab(60.91% -0.0806 -0.0671)
OKLCH	oklch(60.91% 0.105 219.8)
XYZ	xyz(18.2141, 23.5375, 43.6194)
Luminance	0.2354 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B91AE #AE381B

analogous

#1BAE82 #1B91AE #1B47AE

triadic

#1B91AE #AE1B91 #91AE1B

tetradic

#1B91AE #821BAE #AE381B #47AE1B

square

#1B91AE #821BAE #AE381B #47AE1B

split-complementary

#1B91AE #AE1B47 #AE821B

monochromatic

#0B3944 #136579 #1B91AE #28BADE #5DCBE6

Accessibility & contrast

On white

3.68

#1B91AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#1B91AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B91AE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B91AE	#FFFFFF	#000000	##000000
##1B91AE	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8DB0

Deuteranopia (green-blind)

#6C7FAE

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1b91ae;
/* rgb */ color: rgb(27, 145, 174);
/* oklch */ color: oklch(60.9% 0.105 219.8);

Tailwind

colors: {
  custom: {
    50: '#74b1c6',
    500: '#1b91ae',
    950: '#000000',
  },
}

SCSS

$custom: #1b91ae;
$custom-light: #74b1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b91ae",
  "rgb": {
    "r": 27,
    "g": 145,
    "b": 174
  },
  "hsl": {
    "h": 191.837,
    "s": 73.134,
    "l": 39.412
  },
  "oklch": {
    "l": 0.6091,
    "c": 0.10486,
    "h": 219.8
  },
  "luminance": 0.2354
}

Semantic roles & 50–950 ramp

primary

#1B91AE

secondary

#CA715B

accent

#5C38F0

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1B91AE

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

Preview Lab → · Contrast checker → · Palette generator →