#4034B3#4034B3

#4034B3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.191 H 278.8°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#4034B3
RGB	rgb(64, 52, 179)
HSL	hsl(246, 55%, 45%)
HSV	hsv(246, 71%, 70%)
CMYK	cmyk(64.2%, 70.9%, 0%, 29.8%)
CIE-LAB	lab(31.35, 43.05, -65.50)
CIE-LCH	lch(31.35, 78.38, 303.32°)
OKLab	oklab(42.66% 0.0291 -0.189)
OKLCH	oklch(42.66% 0.191 278.8)
XYZ	xyz(11.4764, 6.7997, 43.3468)
Luminance	0.0680 (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

#4034B3 #A7B334

analogous

#3468B3 #4034B3 #7F34B3

triadic

#4034B3 #B34034 #34B340

tetradic

#4034B3 #B33468 #A7B334 #34B37F

square

#4034B3 #B33468 #A7B334 #34B37F

split-complementary

#4034B3 #B37F34 #68B334

monochromatic

#1E1854 #2F2684 #4034B3 #6256CE #8E86DC

Accessibility & contrast

On white

8.90

#4034B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#4034B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4034B3

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4034B3	#FFFFFF	#000000	##FFFFFF
##4034B3	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4034b3;
/* rgb */ color: rgb(64, 52, 179);
/* oklch */ color: oklch(42.7% 0.191 278.8);

Tailwind

colors: {
  custom: {
    50: '#836dcb',
    500: '#4034b3',
    950: '#000000',
  },
}

SCSS

$custom: #4034b3;
$custom-light: #836dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4034b3",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 179
  },
  "hsl": {
    "h": 245.669,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4266,
    "c": 0.19122,
    "h": 278.8
  },
  "luminance": 0.06801
}

Semantic roles & 50–950 ramp

primary

#4034B3

secondary

#BFC57D

accent

#DE49D0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4034B3

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

Preview Lab → · Contrast checker → · Palette generator →