#3036B1#3036B1

#3036B1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.190 H 272.5°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3036B1
RGB	rgb(48, 54, 177)
HSL	hsl(237, 57%, 44%)
HSV	hsv(237, 73%, 69%)
CMYK	cmyk(72.9%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(30.50, 39.28, -65.74)
CIE-LCH	lch(30.50, 76.58, 300.86°)
OKLab	oklab(41.71% 0.0083 -0.1901)
OKLCH	oklch(41.71% 0.19 272.5)
XYZ	xyz(10.4712, 6.4400, 42.2776)
Luminance	0.0644 (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

#3036B1 #B1AB30

analogous

#3077B1 #3036B1 #6B30B1

triadic

#3036B1 #B13036 #36B130

tetradic

#3036B1 #B13077 #B1AB30 #30B16B

square

#3036B1 #B13077 #B1AB30 #30B16B

split-complementary

#3036B1 #B16B30 #77B130

monochromatic

#161951 #232781 #3036B1 #4F55CF #7F83DC

Accessibility & contrast

On white

9.18

#3036B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3036B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3036B1

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3036B1	#FFFFFF	#000000	##FFFFFF
##3036B1	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3036b1;
/* rgb */ color: rgb(48, 54, 177);
/* oklch */ color: oklch(41.7% 0.190 272.5);

Tailwind

colors: {
  custom: {
    50: '#7c6ec9',
    500: '#3036b1',
    950: '#000000',
  },
}

SCSS

$custom: #3036b1;
$custom-light: #7c6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3036b1",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 237.209,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41708,
    "c": 0.19032,
    "h": 272.5
  },
  "luminance": 0.06441
}

Semantic roles & 50–950 ramp

primary

#3036B1

secondary

#C5C278

accent

#D947E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3036B1

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

Preview Lab → · Contrast checker → · Palette generator →