#4238B6#4238B6

#4238B6 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.190 H 278.6°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#4238B6
RGB	rgb(66, 56, 182)
HSL	hsl(245, 53%, 47%)
HSV	hsv(245, 69%, 71%)
CMYK	cmyk(63.7%, 69.2%, 0%, 28.6%)
CIE-LAB	lab(32.62, 41.97, -65.18)
CIE-LCH	lch(32.62, 77.53, 302.78°)
OKLab	oklab(43.7% 0.0284 -0.188)
OKLCH	oklch(43.7% 0.19 278.6)
XYZ	xyz(12.1017, 7.3630, 45.0304)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4238B6 #ACB638

analogous

#386DB6 #4238B6 #8138B6

triadic

#4238B6 #B64238 #38B642

tetradic

#4238B6 #B6386D #ACB638 #38B681

square

#4238B6 #B6386D #ACB638 #38B681

split-complementary

#4238B6 #B68138 #6DB638

monochromatic

#201B58 #312A87 #4238B6 #675ECD #938DDC

Accessibility & contrast

On white

8.49

#4238B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4238B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238B6

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238B6	#FFFFFF	#000000	##FFFFFF
##4238B6	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4238b6;
/* rgb */ color: rgb(66, 56, 182);
/* oklch */ color: oklch(43.7% 0.190 278.6);

Tailwind

colors: {
  custom: {
    50: '#8470cd',
    500: '#4238b6',
    950: '#000000',
  },
}

SCSS

$custom: #4238b6;
$custom-light: #8470cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4238b6",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 182
  },
  "hsl": {
    "h": 244.762,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43696,
    "c": 0.19016,
    "h": 278.6
  },
  "luminance": 0.07364
}

Semantic roles & 50–950 ramp

primary

#4238B6

secondary

#C1C684

accent

#DC4BD1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4238B6

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

Preview Lab → · Contrast checker → · Palette generator →