#1D83A1#1D83A1

#1D83A1 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 56.8% C 0.098 H 223.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D83A1
RGB	rgb(29, 131, 161)
HSL	hsl(194, 69%, 37%)
HSV	hsv(194, 82%, 63%)
CMYK	cmyk(82%, 18.6%, 0%, 36.9%)
CIE-LAB	lab(50.76, -17.25, -23.95)
CIE-LCH	lch(50.76, 29.52, 234.23°)
OKLab	oklab(56.84% -0.0716 -0.0672)
OKLCH	oklch(56.84% 0.098 223.2)
XYZ	xyz(15.0533, 19.0651, 36.5979)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D83A1 #A13B1D

analogous

#1DA17D #1D83A1 #1D41A1

triadic

#1D83A1 #A11D83 #83A11D

tetradic

#1D83A1 #7D1DA1 #A13B1D #41A11D

square

#1D83A1 #7D1DA1 #A13B1D #41A11D

split-complementary

#1D83A1 #A11D41 #A17D1D

monochromatic

#0A2F39 #14596D #1D83A1 #26ADD5 #58C2E1

Accessibility & contrast

On white

4.36

#1D83A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1D83A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D83A1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D83A1	#FFFFFF	#000000	##000000
##1D83A1	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A3

Deuteranopia (green-blind)

#6173A1

Tritanopia (blue-blind)

#008C8D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1d83a1;
/* rgb */ color: rgb(29, 131, 161);
/* oklch */ color: oklch(56.8% 0.098 223.2);

Tailwind

colors: {
  custom: {
    50: '#71a7bd',
    500: '#1d83a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d83a1;
$custom-light: #71a7bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d83a1",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 161
  },
  "hsl": {
    "h": 193.636,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.56841,
    "c": 0.09821,
    "h": 223.2
  },
  "luminance": 0.19067
}

Semantic roles & 50–950 ramp

primary

#1D83A1

secondary

#C46F55

accent

#643CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D83A1

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

Preview Lab → · Contrast checker → · Palette generator →