#4036B1#4036B1

#4036B1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.186 H 278.6°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4036B1
RGB	rgb(64, 54, 177)
HSL	hsl(245, 53%, 45%)
HSV	hsv(245, 69%, 69%)
CMYK	cmyk(63.8%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(31.58, 41.25, -63.92)
CIE-LCH	lch(31.58, 76.07, 302.83°)
OKLab	oklab(42.77% 0.028 -0.1844)
OKLCH	oklch(42.77% 0.186 278.6)
XYZ	xyz(11.3668, 6.9017, 42.3196)
Luminance	0.0690 (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

#4036B1 #A7B136

analogous

#3669B1 #4036B1 #7D36B1

triadic

#4036B1 #B14036 #36B140

tetradic

#4036B1 #B13669 #A7B136 #36B17D

square

#4036B1 #B13669 #A7B136 #36B17D

split-complementary

#4036B1 #B17D36 #69B136

monochromatic

#1E1953 #2F2882 #4036B1 #6258CC #8E87DA

Accessibility & contrast

On white

8.82

#4036B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4036B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4036B1

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4036B1	#FFFFFF	#000000	##FFFFFF
##4036B1	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0045AF

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4036b1;
/* rgb */ color: rgb(64, 54, 177);
/* oklch */ color: oklch(42.8% 0.186 278.6);

Tailwind

colors: {
  custom: {
    50: '#836ec9',
    500: '#4036b1',
    950: '#000000',
  },
}

SCSS

$custom: #4036b1;
$custom-light: #836ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#4036b1",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 244.878,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42773,
    "c": 0.18649,
    "h": 278.6
  },
  "luminance": 0.06903
}

Semantic roles & 50–950 ramp

primary

#4036B1

secondary

#BFC47F

accent

#DD4BD1

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4036B1

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

Preview Lab → · Contrast checker → · Palette generator →