#1690B4#1690B4

#1690B4 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.9% C 0.110 H 224.6°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#1690B4
RGB	rgb(22, 144, 180)
HSL	hsl(194, 78%, 40%)
HSV	hsv(194, 88%, 71%)
CMYK	cmyk(87.8%, 20%, 0%, 29.4%)
CIE-LAB	lab(55.49, -18.19, -27.58)
CIE-LCH	lch(55.49, 33.04, 236.60°)
OKLab	oklab(60.87% -0.0786 -0.0775)
OKLCH	oklch(60.87% 0.11 224.6)
XYZ	xyz(18.5389, 23.4100, 46.7126)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1690B4 #B43A16

analogous

#16B489 #1690B4 #1641B4

triadic

#1690B4 #B41690 #90B416

tetradic

#1690B4 #8916B4 #B43A16 #41B416

square

#1690B4 #8916B4 #B43A16 #41B416

split-complementary

#1690B4 #B41641 #B48916

monochromatic

#093947 #0F647D #1690B4 #23B8E4 #5ACAEB

Accessibility & contrast

On white

3.70

#1690B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#1690B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1690B4

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1690B4	#FFFFFF	#000000	##000000
##1690B4	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB6

Deuteranopia (green-blind)

#687FB4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1690b4;
/* rgb */ color: rgb(22, 144, 180);
/* oklch */ color: oklch(60.9% 0.110 224.6);

Tailwind

colors: {
  custom: {
    50: '#74b0ca',
    500: '#1690b4',
    950: '#000000',
  },
}

SCSS

$custom: #1690b4;
$custom-light: #74b0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1690b4",
  "rgb": {
    "r": 22,
    "g": 144,
    "b": 180
  },
  "hsl": {
    "h": 193.671,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60868,
    "c": 0.1104,
    "h": 224.6
  },
  "luminance": 0.23412
}

Semantic roles & 50–950 ramp

primary

#1690B4

secondary

#CE7358

accent

#5F33F5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1690B4

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

Preview Lab → · Contrast checker → · Palette generator →