#4179EA#4179EA

#4179EA is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.8% C 0.181 H 262.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4179EA
RGB	rgb(65, 121, 234)
HSL	hsl(220, 80%, 59%)
HSV	hsv(220, 72%, 92%)
CMYK	cmyk(72.2%, 48.3%, 0%, 8.2%)
CIE-LAB	lab(52.66, 19.48, -62.52)
CIE-LCH	lch(52.66, 65.48, 287.31°)
OKLab	oklab(59.85% -0.0237 -0.1795)
OKLCH	oklch(59.85% 0.181 262.5)
XYZ	xyz(23.8633, 20.7365, 80.5708)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179EA #EAB241

analogous

#41CEEA #4179EA #5D41EA

triadic

#4179EA #EA4179 #79EA41

tetradic

#4179EA #EA41CE #EAB241 #41EA5D

square

#4179EA #EA41CE #EAB241 #41EA5D

split-complementary

#4179EA #EA5D41 #CEEA41

monochromatic

#12409F #1857D6 #4179EA #78A0F0 #AFC7F6

Accessibility & contrast

On white

4.08

#4179EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4179EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179EA

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179EA	#FFFFFF	#000000	##000000
##4179EA	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3986EE

Deuteranopia (green-blind)

#0076E8

Tritanopia (blue-blind)

#0094A6

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4179ea;
/* rgb */ color: rgb(65, 121, 234);
/* oklch */ color: oklch(59.8% 0.181 262.5);

Tailwind

colors: {
  custom: {
    50: '#8a9ff1',
    500: '#4179ea',
    950: '#000000',
  },
}

SCSS

$custom: #4179ea;
$custom-light: #8a9ff1;
$custom-dark: #000000;

JSON

{
  "hex": "#4179ea",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 234
  },
  "hsl": {
    "h": 220.118,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59847,
    "c": 0.18109,
    "h": 262.5
  },
  "luminance": 0.20739
}

Semantic roles & 50–950 ramp

primary

#4179EA

secondary

#E5CFA2

accent

#B531F7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #4179EA

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

Preview Lab → · Contrast checker → · Palette generator →