#1E64B3#1E64B3

#1E64B3 is a mid, vivid cyan. Relative luminance 0.126; OKLCH L 50.4% C 0.142 H 254.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#1E64B3
RGB	rgb(30, 100, 179)
HSL	hsl(212, 71%, 41%)
HSV	hsv(212, 83%, 70%)
CMYK	cmyk(83.2%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.22, 8.15, -47.91)
CIE-LCH	lch(42.22, 48.60, 279.65°)
OKLab	oklab(50.39% -0.0377 -0.1374)
OKLCH	oklch(50.39% 0.142 254.7)
XYZ	xyz(13.2262, 12.6434, 44.3824)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E64B3 #B36D1E

analogous

#1EAEB3 #1E64B3 #221EB3

triadic

#1E64B3 #B31E64 #64B31E

tetradic

#1E64B3 #B31EAE #B36D1E #1EB322

square

#1E64B3 #B31EAE #B36D1E #1EB322

split-complementary

#1E64B3 #B3221E #AEB31E

monochromatic

#0C294A #15477F #1E64B3 #3282DD #66A2E5

Accessibility & contrast

On white

5.95

#1E64B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#1E64B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E64B3

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E64B3	#FFFFFF	#000000	##FFFFFF
##1E64B3	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB6

Deuteranopia (green-blind)

#1C5EB1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1e64b3;
/* rgb */ color: rgb(30, 100, 179);
/* oklch */ color: oklch(50.4% 0.142 254.7);

Tailwind

colors: {
  custom: {
    50: '#748fca',
    500: '#1e64b3',
    950: '#000000',
  },
}

SCSS

$custom: #1e64b3;
$custom-light: #748fca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e64b3",
  "rgb": {
    "r": 30,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 211.812,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.5039,
    "c": 0.14248,
    "h": 254.7
  },
  "luminance": 0.12645
}

Semantic roles & 50–950 ramp

primary

#1E64B3

secondary

#CB9A62

accent

#993AEE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1E64B3

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

Preview Lab → · Contrast checker → · Palette generator →