#1D68B3#1D68B3

#1D68B3 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.3% C 0.138 H 252.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D68B3
RGB	rgb(29, 104, 179)
HSL	hsl(210, 72%, 41%)
HSV	hsv(210, 84%, 70%)
CMYK	cmyk(83.8%, 41.9%, 0%, 29.8%)
CIE-LAB	lab(43.38, 5.50, -46.05)
CIE-LCH	lch(43.38, 46.38, 276.81°)
OKLab	oklab(51.29% -0.0414 -0.1319)
OKLCH	oklch(51.29% 0.138 252.6)
XYZ	xyz(13.5906, 13.4148, 44.5121)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D68B3 #B3681D

analogous

#1DB3B3 #1D68B3 #1D1DB3

triadic

#1D68B3 #B31D68 #68B31D

tetradic

#1D68B3 #B31DB3 #B3681D #1DB31D

square

#1D68B3 #B31DB3 #B3681D #1DB31D

split-complementary

#1D68B3 #B31D1D #B3B31D

monochromatic

#0C2B4A #14497E #1D68B3 #3087DD #64A5E6

Accessibility & contrast

On white

5.70

#1D68B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#1D68B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D68B3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D68B3	#FFFFFF	#000000	##FFFFFF
##1D68B3	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426EB6

Deuteranopia (green-blind)

#2860B2

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1d68b3;
/* rgb */ color: rgb(29, 104, 179);
/* oklch */ color: oklch(51.3% 0.138 252.6);

Tailwind

colors: {
  custom: {
    50: '#7392ca',
    500: '#1d68b3',
    950: '#000000',
  },
}

SCSS

$custom: #1d68b3;
$custom-light: #7392ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1d68b3",
  "rgb": {
    "r": 29,
    "g": 104,
    "b": 179
  },
  "hsl": {
    "h": 210,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51287,
    "c": 0.13822,
    "h": 252.6
  },
  "luminance": 0.13417
}

Semantic roles & 50–950 ramp

primary

#1D68B3

secondary

#CB9661

accent

#9439EF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1D68B3

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

Preview Lab → · Contrast checker → · Palette generator →