#1F4EC2#1F4EC2

#1F4EC2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.189 H 263.8°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F4EC2
RGB	rgb(31, 78, 194)
HSL	hsl(223, 72%, 44%)
HSV	hsv(223, 84%, 76%)
CMYK	cmyk(84%, 59.8%, 0%, 23.9%)
CIE-LAB	lab(37.18, 28.56, -64.85)
CIE-LCH	lch(37.18, 70.86, 293.77°)
OKLab	oklab(46.89% -0.0204 -0.1876)
OKLCH	oklch(46.89% 0.189 263.8)
XYZ	xyz(13.0236, 9.6335, 52.2015)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4EC2 #C2931F

analogous

#1FA0C2 #1F4EC2 #411FC2

triadic

#1F4EC2 #C21F4E #4EC21F

tetradic

#1F4EC2 #C21FA0 #C2931F #1FC241

square

#1F4EC2 #C21FA0 #C2931F #1FC241

split-complementary

#1F4EC2 #C2411F #A0C21F

monochromatic

#0E2458 #17398D #1F4EC2 #3E6DE0 #7395E9

Accessibility & contrast

On white

7.17

#1F4EC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1F4EC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4EC2

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4EC2	#FFFFFF	#000000	##FFFFFF
##1F4EC2	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC6

Deuteranopia (green-blind)

#0050C0

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1f4ec2;
/* rgb */ color: rgb(31, 78, 194);
/* oklch */ color: oklch(46.9% 0.189 263.8);

Tailwind

colors: {
  custom: {
    50: '#797fd5',
    500: '#1f4ec2',
    950: '#000000',
  },
}

SCSS

$custom: #1f4ec2;
$custom-light: #797fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4ec2",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 194
  },
  "hsl": {
    "h": 222.699,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4689,
    "c": 0.18873,
    "h": 263.8
  },
  "luminance": 0.09635
}

Semantic roles & 50–950 ramp

primary

#1F4EC2

secondary

#CFB36D

accent

#BB39EF

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #1F4EC2

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

Preview Lab → · Contrast checker → · Palette generator →