#1D6683#1D6683

#1D6683 is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.0% C 0.083 H 229.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D6683
RGB	rgb(29, 102, 131)
HSL	hsl(197, 64%, 31%)
HSV	hsv(197, 78%, 51%)
CMYK	cmyk(77.9%, 22.1%, 0%, 48.6%)
CIE-LAB	lab(40.25, -11.61, -22.43)
CIE-LCH	lch(40.25, 25.26, 242.63°)
OKLab	oklab(47.99% -0.0543 -0.063)
OKLCH	oklch(47.99% 0.083 229.3)
XYZ	xyz(9.3531, 11.4015, 23.1761)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D6683 #833A1D

analogous

#1D836D #1D6683 #1D3383

triadic

#1D6683 #831D66 #66831D

tetradic

#1D6683 #6D1D83 #833A1D #33831D

square

#1D6683 #6D1D83 #833A1D #33831D

split-complementary

#1D6683 #831D33 #836D1D

monochromatic

#07181F #123F51 #1D6683 #288DB5 #45ACD6

Accessibility & contrast

On white

6.40

#1D6683 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1D6683 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6683

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D6683	#FFFFFF	#000000	##FFFFFF
##1D6683	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576484

Deuteranopia (green-blind)

#495B83

Tritanopia (blue-blind)

#006E70

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1d6683;
/* rgb */ color: rgb(29, 102, 131);
/* oklch */ color: oklch(48.0% 0.083 229.3);

Tailwind

colors: {
  custom: {
    50: '#6991a7',
    500: '#1d6683',
    950: '#000000',
  },
}

SCSS

$custom: #1d6683;
$custom-light: #6991a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d6683",
  "rgb": {
    "r": 29,
    "g": 102,
    "b": 131
  },
  "hsl": {
    "h": 197.059,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.47993,
    "c": 0.0832,
    "h": 229.3
  },
  "luminance": 0.11403
}

Semantic roles & 50–950 ramp

primary

#1D6683

secondary

#B66646

accent

#7041E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1D6683

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

Preview Lab → · Contrast checker → · Palette generator →