#1D83A0#1D83A0

#1D83A0 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.8% C 0.098 H 222.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D83A0
RGB	rgb(29, 131, 160)
HSL	hsl(193, 69%, 37%)
HSV	hsv(193, 82%, 63%)
CMYK	cmyk(81.9%, 18.1%, 0%, 37.3%)
CIE-LAB	lab(50.72, -17.60, -23.43)
CIE-LCH	lch(50.72, 29.31, 233.09°)
OKLab	oklab(56.79% -0.072 -0.0657)
OKLCH	oklch(56.79% 0.098 222.4)
XYZ	xyz(14.9655, 19.0300, 36.1353)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D83A0 #A03A1D

analogous

#1DA07B #1D83A0 #1D42A0

triadic

#1D83A0 #A01D83 #83A01D

tetradic

#1D83A0 #7B1DA0 #A03A1D #42A01D

square

#1D83A0 #7B1DA0 #A03A1D #42A01D

split-complementary

#1D83A0 #A01D42 #A07B1D

monochromatic

#0A2E38 #14596C #1D83A0 #26ADD4 #57C2E1

Accessibility & contrast

On white

4.37

#1D83A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1D83A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D83A0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D83A0	#FFFFFF	#000000	##000000
##1D83A0	1.00	4.37	4.81	4.81
#FFFFFF	4.37	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)

#7280A1

Deuteranopia (green-blind)

#6173A0

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1d83a0;
/* rgb */ color: rgb(29, 131, 160);
/* oklch */ color: oklch(56.8% 0.098 222.4);

Tailwind

colors: {
  custom: {
    50: '#71a7bc',
    500: '#1d83a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d83a0;
$custom-light: #71a7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d83a0",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 193.282,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.56794,
    "c": 0.0975,
    "h": 222.4
  },
  "luminance": 0.19032
}

Semantic roles & 50–950 ramp

primary

#1D83A0

secondary

#C46D55

accent

#633CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D83A0

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

Preview Lab → · Contrast checker → · Palette generator →