#1D90A7#1D90A7

#1D90A7 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.4% C 0.100 H 215.4°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D90A7
RGB	rgb(29, 144, 167)
HSL	hsl(190, 70%, 38%)
HSV	hsv(190, 83%, 65%)
CMYK	cmyk(82.6%, 13.8%, 0%, 34.5%)
CIE-LAB	lab(55.07, -22.14, -20.79)
CIE-LCH	lch(55.07, 30.37, 223.21°)
OKLab	oklab(60.38% -0.0819 -0.0581)
OKLCH	oklch(60.38% 0.1 215.4)
XYZ	xyz(17.4520, 22.9955, 40.0705)
Luminance	0.2300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D90A7 #A7341D

analogous

#1DA779 #1D90A7 #1D4BA7

triadic

#1D90A7 #A71D90 #90A71D

tetradic

#1D90A7 #791DA7 #A7341D #4BA71D

square

#1D90A7 #791DA7 #A7341D #4BA71D

split-complementary

#1D90A7 #A71D4B #A7791D

monochromatic

#0B363F #146373 #1D90A7 #28BCDA #5CCCE3

Accessibility & contrast

On white

3.75

#1D90A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#1D90A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D90A7

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D90A7	#FFFFFF	#000000	##000000
##1D90A7	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA8

Deuteranopia (green-blind)

#6E7EA7

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1d90a7;
/* rgb */ color: rgb(29, 144, 167);
/* oklch */ color: oklch(60.4% 0.100 215.4);

Tailwind

colors: {
  custom: {
    50: '#73b0c1',
    500: '#1d90a7',
    950: '#000000',
  },
}

SCSS

$custom: #1d90a7;
$custom-light: #73b0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d90a7",
  "rgb": {
    "r": 29,
    "g": 144,
    "b": 167
  },
  "hsl": {
    "h": 190,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.60383,
    "c": 0.10039,
    "h": 215.4
  },
  "luminance": 0.22998
}

Semantic roles & 50–950 ramp

primary

#1D90A7

secondary

#C76B59

accent

#583BED

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1D90A7

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

Preview Lab → · Contrast checker → · Palette generator →