#1B68B4#1B68B4

#1B68B4 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.3% C 0.140 H 252.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B68B4
RGB	rgb(27, 104, 180)
HSL	hsl(210, 74%, 41%)
HSV	hsv(210, 85%, 71%)
CMYK	cmyk(85%, 42.2%, 0%, 29.4%)
CIE-LAB	lab(43.40, 5.72, -46.61)
CIE-LCH	lch(43.40, 46.96, 277.00°)
OKLab	oklab(51.31% -0.042 -0.1335)
OKLCH	oklch(51.31% 0.14 252.5)
XYZ	xyz(13.6374, 13.4272, 45.0441)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B68B4 #B4671B

analogous

#1BB4B3 #1B68B4 #1B1BB4

triadic

#1B68B4 #B41B68 #68B41B

tetradic

#1B68B4 #B31BB4 #B4671B #1BB41B

square

#1B68B4 #B31BB4 #B4671B #1BB41B

split-complementary

#1B68B4 #B41B1B #B4B31B

monochromatic

#0B2B4A #13497F #1B68B4 #2D87DF #62A5E7

Accessibility & contrast

On white

5.70

#1B68B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#1B68B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B68B4

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B68B4	#FFFFFF	#000000	##FFFFFF
##1B68B4	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426EB7

Deuteranopia (green-blind)

#2660B3

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1b68b4;
/* rgb */ color: rgb(27, 104, 180);
/* oklch */ color: oklch(51.3% 0.140 252.5);

Tailwind

colors: {
  custom: {
    50: '#7392cb',
    500: '#1b68b4',
    950: '#000000',
  },
}

SCSS

$custom: #1b68b4;
$custom-light: #7392cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b68b4",
  "rgb": {
    "r": 27,
    "g": 104,
    "b": 180
  },
  "hsl": {
    "h": 209.804,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51308,
    "c": 0.13999,
    "h": 252.5
  },
  "luminance": 0.13429
}

Semantic roles & 50–950 ramp

primary

#1B68B4

secondary

#CC955F

accent

#9337F1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1B68B4

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

Preview Lab → · Contrast checker → · Palette generator →