#4638E1#4638E1

#4638E1 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 48.2% C 0.241 H 276.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4638E1
RGB	rgb(70, 56, 225)
HSL	hsl(245, 74%, 55%)
HSV	hsv(245, 75%, 88%)
CMYK	cmyk(68.9%, 75.1%, 0%, 11.8%)
CIE-LAB	lab(37.05, 55.92, -82.89)
CIE-LCH	lch(37.05, 99.99, 304.01°)
OKLab	oklab(48.17% 0.0254 -0.2396)
OKLCH	oklch(48.17% 0.241 276)
XYZ	xyz(17.5261, 9.5651, 72.1422)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4638E1 #D3E138

analogous

#387FE1 #4638E1 #9A38E1

triadic

#4638E1 #E14638 #38E146

tetradic

#4638E1 #E1387F #D3E138 #38E19A

square

#4638E1 #E1387F #D3E138 #38E19A

split-complementary

#4638E1 #E19A38 #7FE138

monochromatic

#1E158A #2A1DBF #4638E1 #776DE9 #A9A2F1

Accessibility & contrast

On white

7.21

#4638E1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4638E1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638E1

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4638E1	#FFFFFF	#000000	##FFFFFF
##4638E1	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE6

Deuteranopia (green-blind)

#0050DE

Tritanopia (blue-blind)

#006A8B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4638e1;
/* rgb */ color: rgb(70, 56, 225);
/* oklch */ color: oklch(48.2% 0.241 276.0);

Tailwind

colors: {
  custom: {
    50: '#8f72ec',
    500: '#4638e1',
    950: '#000000',
  },
}

SCSS

$custom: #4638e1;
$custom-light: #8f72ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4638e1",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 225
  },
  "hsl": {
    "h": 244.97,
    "s": 73.799,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48166,
    "c": 0.24095,
    "h": 276
  },
  "luminance": 0.09567
}

Semantic roles & 50–950 ramp

primary

#4638E1

secondary

#D8DE97

accent

#F037E1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4638E1

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

Preview Lab → · Contrast checker → · Palette generator →