#1F5EC2#1F5EC2

#1F5EC2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.169 H 259.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F5EC2
RGB	rgb(31, 94, 194)
HSL	hsl(217, 72%, 44%)
HSV	hsv(217, 84%, 76%)
CMYK	cmyk(84%, 51.5%, 0%, 23.9%)
CIE-LAB	lab(41.52, 18.03, -57.79)
CIE-LCH	lch(41.52, 60.54, 287.32°)
OKLab	oklab(50.17% -0.0303 -0.1666)
OKLCH	oklch(50.17% 0.169 259.7)
XYZ	xyz(14.3018, 12.1900, 52.6276)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5EC2 #C2831F

analogous

#1FB0C2 #1F5EC2 #321FC2

triadic

#1F5EC2 #C21F5E #5EC21F

tetradic

#1F5EC2 #C21FB0 #C2831F #1FC232

square

#1F5EC2 #C21FB0 #C2831F #1FC232

split-complementary

#1F5EC2 #C2321F #B0C21F

monochromatic

#0E2B58 #17448D #1F5EC2 #3E7DE0 #73A0E9

Accessibility & contrast

On white

6.11

#1F5EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#1F5EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5EC2

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5EC2	#FFFFFF	#000000	##FFFFFF
##1F5EC2	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186AC6

Deuteranopia (green-blind)

#005BC0

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f5ec2;
/* rgb */ color: rgb(31, 94, 194);
/* oklch */ color: oklch(50.2% 0.169 259.7);

Tailwind

colors: {
  custom: {
    50: '#788ad5',
    500: '#1f5ec2',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ec2;
$custom-light: #788ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ec2",
  "rgb": {
    "r": 31,
    "g": 94,
    "b": 194
  },
  "hsl": {
    "h": 216.81,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50172,
    "c": 0.16932,
    "h": 259.7
  },
  "luminance": 0.12192
}

Semantic roles & 50–950 ramp

primary

#1F5EC2

secondary

#CFAA6D

accent

#A939EF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #1F5EC2

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

Preview Lab → · Contrast checker → · Palette generator →