#1D83A6#1D83A6

#1D83A6 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.1% C 0.102 H 226.9°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D83A6
RGB	rgb(29, 131, 166)
HSL	hsl(195, 70%, 38%)
HSV	hsv(195, 83%, 65%)
CMYK	cmyk(82.5%, 21.1%, 0%, 34.9%)
CIE-LAB	lab(50.97, -15.49, -26.53)
CIE-LCH	lch(50.97, 30.71, 239.72°)
OKLab	oklab(57.08% -0.0697 -0.0746)
OKLCH	oklch(57.08% 0.102 226.9)
XYZ	xyz(15.5031, 19.2450, 38.9666)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D83A6 #A6401D

analogous

#1DA684 #1D83A6 #1D3FA6

triadic

#1D83A6 #A61D83 #83A61D

tetradic

#1D83A6 #841DA6 #A6401D #3FA61D

square

#1D83A6 #841DA6 #A6401D #3FA61D

split-complementary

#1D83A6 #A61D3F #A6841D

monochromatic

#0B313E #145A72 #1D83A6 #27ACD9 #5BC0E2

Accessibility & contrast

On white

4.33

#1D83A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#1D83A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D83A6

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D83A6	#FFFFFF	#000000	##000000
##1D83A6	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081A8

Deuteranopia (green-blind)

#5E74A6

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1d83a6;
/* rgb */ color: rgb(29, 131, 166);
/* oklch */ color: oklch(57.1% 0.102 226.9);

Tailwind

colors: {
  custom: {
    50: '#72a7c0',
    500: '#1d83a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d83a6;
$custom-light: #72a7c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d83a6",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 166
  },
  "hsl": {
    "h": 195.328,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.57078,
    "c": 0.10208,
    "h": 226.9
  },
  "luminance": 0.19247
}

Semantic roles & 50–950 ramp

primary

#1D83A6

secondary

#C67559

accent

#683BED

background

#F7FAFB

surface

#EDF4F7

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D83A6

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

Preview Lab → · Contrast checker → · Palette generator →