#3036B8#3036B8

#3036B8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.4% C 0.199 H 272.1°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#3036B8
RGB	rgb(48, 54, 184)
HSL	hsl(237, 59%, 45%)
HSV	hsv(237, 74%, 72%)
CMYK	cmyk(73.9%, 70.7%, 0%, 27.8%)
CIE-LAB	lab(31.18, 41.69, -68.78)
CIE-LCH	lch(31.18, 80.43, 301.22°)
OKLab	oklab(42.4% 0.0074 -0.199)
OKLCH	oklch(42.4% 0.199 272.1)
XYZ	xyz(11.1869, 6.7262, 46.0468)
Luminance	0.0673 (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

#3036B8 #B8B230

analogous

#307AB8 #3036B8 #6E30B8

triadic

#3036B8 #B83036 #36B830

tetradic

#3036B8 #B8307A #B8B230 #30B86E

square

#3036B8 #B8307A #B8B230 #30B86E

split-complementary

#3036B8 #B86E30 #7AB830

monochromatic

#171A57 #232887 #3036B8 #5359D2 #8488DF

Accessibility & contrast

On white

8.95

#3036B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3036B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3036B8

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3036B8	#FFFFFF	#000000	##FFFFFF
##3036B8	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3036b8;
/* rgb */ color: rgb(48, 54, 184);
/* oklch */ color: oklch(42.4% 0.199 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d6ecf',
    500: '#3036b8',
    950: '#000000',
  },
}

SCSS

$custom: #3036b8;
$custom-light: #7d6ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3036b8",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 184
  },
  "hsl": {
    "h": 237.353,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42402,
    "c": 0.19916,
    "h": 272.1
  },
  "luminance": 0.06727
}

Semantic roles & 50–950 ramp

primary

#3036B8

secondary

#C8C57C

accent

#DB46E2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3036B8

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

Preview Lab → · Contrast checker → · Palette generator →