#1D64BD#1D64BD

#1D64BD is a mid, vivid cyan. Relative luminance 0.131; OKLCH L 51.1% C 0.156 H 256.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D64BD
RGB	rgb(29, 100, 189)
HSL	hsl(213, 73%, 43%)
HSV	hsv(213, 85%, 74%)
CMYK	cmyk(84.7%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(42.84, 11.99, -52.76)
CIE-LCH	lch(42.84, 54.11, 282.81°)
OKLab	oklab(51.06% -0.0363 -0.1517)
OKLCH	oklch(51.06% 0.156 256.6)
XYZ	xyz(14.2458, 13.0479, 49.9019)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D64BD #BD761D

analogous

#1DB4BD #1D64BD #261DBD

triadic

#1D64BD #BD1D64 #64BD1D

tetradic

#1D64BD #BD1DB4 #BD761D #1DBD26

square

#1D64BD #BD1DB4 #BD761D #1DBD26

split-complementary

#1D64BD #BD261D #B4BD1D

monochromatic

#0D2C53 #154888 #1D64BD #3782E0 #6CA3E8

Accessibility & contrast

On white

5.82

#1D64BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#1D64BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D64BD

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D64BD	#FFFFFF	#000000	##FFFFFF
##1D64BD	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326DC0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #1d64bd;
/* rgb */ color: rgb(29, 100, 189);
/* oklch */ color: oklch(51.1% 0.156 256.6);

Tailwind

colors: {
  custom: {
    50: '#768fd1',
    500: '#1d64bd',
    950: '#000000',
  },
}

SCSS

$custom: #1d64bd;
$custom-light: #768fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d64bd",
  "rgb": {
    "r": 29,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 213.375,
    "s": 73.394,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51064,
    "c": 0.15596,
    "h": 256.6
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#1D64BD

secondary

#CEA167

accent

#9E38F0

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #1D64BD

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

Preview Lab → · Contrast checker → · Palette generator →