#4038B6#4038B6

#4038B6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.191 H 277.8°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#4038B6
RGB	rgb(64, 56, 182)
HSL	hsl(244, 53%, 47%)
HSV	hsv(244, 69%, 71%)
CMYK	cmyk(64.8%, 69.2%, 0%, 28.6%)
CIE-LAB	lab(32.47, 41.70, -65.44)
CIE-LCH	lch(32.47, 77.59, 302.51°)
OKLab	oklab(43.55% 0.0258 -0.1888)
OKLCH	oklch(43.55% 0.191 277.8)
XYZ	xyz(11.9693, 7.2947, 45.0242)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4038B6 #AEB638

analogous

#386FB6 #4038B6 #7F38B6

triadic

#4038B6 #B64038 #38B640

tetradic

#4038B6 #B6386F #AEB638 #38B67F

square

#4038B6 #B6386F #AEB638 #38B67F

split-complementary

#4038B6 #B67F38 #6FB638

monochromatic

#1F1B58 #302A87 #4038B6 #655ECD #928DDC

Accessibility & contrast

On white

8.54

#4038B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4038B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4038B6

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4038B6	#FFFFFF	#000000	##FFFFFF
##4038B6	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4038b6;
/* rgb */ color: rgb(64, 56, 182);
/* oklch */ color: oklch(43.5% 0.191 277.8);

Tailwind

colors: {
  custom: {
    50: '#8370cd',
    500: '#4038b6',
    950: '#000000',
  },
}

SCSS

$custom: #4038b6;
$custom-light: #8370cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4038b6",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 182
  },
  "hsl": {
    "h": 243.81,
    "s": 52.941,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4355,
    "c": 0.19057,
    "h": 277.8
  },
  "luminance": 0.07296
}

Semantic roles & 50–950 ramp

primary

#4038B6

secondary

#C2C684

accent

#DC4BD3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4038B6

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

Preview Lab → · Contrast checker → · Palette generator →