#1E63B1#1E63B1

#1E63B1 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.0% C 0.141 H 254.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1E63B1
RGB	rgb(30, 99, 177)
HSL	hsl(212, 71%, 41%)
HSV	hsv(212, 83%, 69%)
CMYK	cmyk(83.1%, 44.1%, 0%, 30.6%)
CIE-LAB	lab(41.80, 8.01, -47.41)
CIE-LCH	lch(41.80, 48.08, 279.59°)
OKLab	oklab(50.03% -0.0373 -0.1359)
OKLCH	oklch(50.03% 0.141 254.6)
XYZ	xyz(12.9301, 12.3724, 43.2931)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E63B1 #B16C1E

analogous

#1EACB1 #1E63B1 #231EB1

triadic

#1E63B1 #B11E63 #63B11E

tetradic

#1E63B1 #B11EAC #B16C1E #1EB123

square

#1E63B1 #B11EAC #B16C1E #1EB123

split-complementary

#1E63B1 #B1231E #ACB11E

monochromatic

#0C2848 #15467D #1E63B1 #3081DC #65A1E5

Accessibility & contrast

On white

6.04

#1E63B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#1E63B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E63B1

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E63B1	#FFFFFF	#000000	##FFFFFF
##1E63B1	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6AB4

Deuteranopia (green-blind)

#1C5DAF

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1e63b1;
/* rgb */ color: rgb(30, 99, 177);
/* oklch */ color: oklch(50.0% 0.141 254.6);

Tailwind

colors: {
  custom: {
    50: '#738ec9',
    500: '#1e63b1',
    950: '#000000',
  },
}

SCSS

$custom: #1e63b1;
$custom-light: #738ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e63b1",
  "rgb": {
    "r": 30,
    "g": 99,
    "b": 177
  },
  "hsl": {
    "h": 211.837,
    "s": 71.014,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50025,
    "c": 0.14098,
    "h": 254.6
  },
  "luminance": 0.12374
}

Semantic roles & 50–950 ramp

primary

#1E63B1

secondary

#CA9961

accent

#993AEE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1E63B1

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

Preview Lab → · Contrast checker → · Palette generator →