#4638B2#4638B2

#4638B2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.184 H 280.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#4638B2
RGB	rgb(70, 56, 178)
HSL	hsl(247, 52%, 46%)
HSV	hsv(247, 69%, 70%)
CMYK	cmyk(60.7%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(32.58, 41.26, -62.86)
CIE-LCH	lch(32.58, 75.20, 303.28°)
OKLab	oklab(43.64% 0.0343 -0.1811)
OKLCH	oklch(43.64% 0.184 280.7)
XYZ	xyz(11.9733, 7.3439, 42.8974)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4638B2 #A4B238

analogous

#3867B2 #4638B2 #8338B2

triadic

#4638B2 #B24638 #38B246

tetradic

#4638B2 #B23867 #A4B238 #38B283

square

#4638B2 #B23867 #A4B238 #38B283

split-complementary

#4638B2 #B28338 #67B238

monochromatic

#211B55 #342983 #4638B2 #685CCC #938ADA

Accessibility & contrast

On white

8.51

#4638B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4638B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638B2

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4638B2	#FFFFFF	#000000	##FFFFFF
##4638B2	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4638b2;
/* rgb */ color: rgb(70, 56, 178);
/* oklch */ color: oklch(43.6% 0.184 280.7);

Tailwind

colors: {
  custom: {
    50: '#8670ca',
    500: '#4638b2',
    950: '#000000',
  },
}

SCSS

$custom: #4638b2;
$custom-light: #8670ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4638b2",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 246.885,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43636,
    "c": 0.18434,
    "h": 280.7
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#4638B2

secondary

#BDC581

accent

#DC4CCB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4638B2

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

Preview Lab → · Contrast checker → · Palette generator →