#1691B4#1691B4

#1691B4 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.110 H 223.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#1691B4
RGB	rgb(22, 145, 180)
HSL	hsl(193, 78%, 40%)
HSV	hsv(193, 88%, 71%)
CMYK	cmyk(87.8%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.80, -18.72, -27.10)
CIE-LCH	lch(55.80, 32.94, 235.36°)
OKLab	oklab(61.12% -0.0795 -0.0761)
OKLCH	oklch(61.12% 0.11 223.8)
XYZ	xyz(18.6910, 23.7142, 46.7633)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1691B4 #B43916

analogous

#16B488 #1691B4 #1642B4

triadic

#1691B4 #B41691 #91B416

tetradic

#1691B4 #8816B4 #B43916 #42B416

square

#1691B4 #8816B4 #B43916 #42B416

split-complementary

#1691B4 #B41642 #B48816

monochromatic

#093947 #0F657D #1691B4 #23B9E4 #5ACBEB

Accessibility & contrast

On white

3.66

#1691B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#1691B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1691B4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1691B4	#FFFFFF	#000000	##000000
##1691B4	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB6

Deuteranopia (green-blind)

#6980B4

Tritanopia (blue-blind)

#009C9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1691b4;
/* rgb */ color: rgb(22, 145, 180);
/* oklch */ color: oklch(61.1% 0.110 223.8);

Tailwind

colors: {
  custom: {
    50: '#74b1ca',
    500: '#1691b4',
    950: '#000000',
  },
}

SCSS

$custom: #1691b4;
$custom-light: #74b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1691b4",
  "rgb": {
    "r": 22,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 193.291,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.61116,
    "c": 0.1101,
    "h": 223.8
  },
  "luminance": 0.23717
}

Semantic roles & 50–950 ramp

primary

#1691B4

secondary

#CE7258

accent

#5E33F5

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1691B4

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

Preview Lab → · Contrast checker → · Palette generator →