#1D83A7#1D83A7

#1D83A7 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.1% C 0.103 H 227.6°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D83A7
RGB	rgb(29, 131, 167)
HSL	hsl(196, 70%, 38%)
HSV	hsv(196, 83%, 65%)
CMYK	cmyk(82.6%, 21.6%, 0%, 34.5%)
CIE-LAB	lab(51.02, -15.13, -27.04)
CIE-LCH	lch(51.02, 30.98, 240.77°)
OKLab	oklab(57.13% -0.0693 -0.076)
OKLCH	oklch(57.13% 0.103 227.6)
XYZ	xyz(15.5952, 19.2819, 39.4516)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D83A7 #A7411D

analogous

#1DA786 #1D83A7 #1D3EA7

triadic

#1D83A7 #A71D83 #83A71D

tetradic

#1D83A7 #861DA7 #A7411D #3EA71D

square

#1D83A7 #861DA7 #A7411D #3EA71D

split-complementary

#1D83A7 #A71D3E #A7861D

monochromatic

#0B313F #145A73 #1D83A7 #28ABDA #5CBFE3

Accessibility & contrast

On white

4.32

#1D83A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#1D83A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D83A7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D83A7	#FFFFFF	#000000	##000000
##1D83A7	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081A9

Deuteranopia (green-blind)

#5E74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1d83a7;
/* rgb */ color: rgb(29, 131, 167);
/* oklch */ color: oklch(57.1% 0.103 227.6);

Tailwind

colors: {
  custom: {
    50: '#72a7c1',
    500: '#1d83a7',
    950: '#000000',
  },
}

SCSS

$custom: #1d83a7;
$custom-light: #72a7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d83a7",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 167
  },
  "hsl": {
    "h": 195.652,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.57126,
    "c": 0.1029,
    "h": 227.6
  },
  "luminance": 0.19284
}

Semantic roles & 50–950 ramp

primary

#1D83A7

secondary

#C77659

accent

#693BED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D83A7

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

Preview Lab → · Contrast checker → · Palette generator →