#3036B5#3036B5

#3036B5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.195 H 272.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#3036B5
RGB	rgb(48, 54, 181)
HSL	hsl(237, 58%, 45%)
HSV	hsv(237, 73%, 71%)
CMYK	cmyk(73.5%, 70.2%, 0%, 29%)
CIE-LAB	lab(30.88, 40.66, -67.49)
CIE-LCH	lch(30.88, 78.79, 301.07°)
OKLab	oklab(42.1% 0.0078 -0.1952)
OKLCH	oklch(42.1% 0.195 272.3)
XYZ	xyz(10.8758, 6.6018, 44.4082)
Luminance	0.0660 (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

#3036B5 #B5AF30

analogous

#3079B5 #3036B5 #6C30B5

triadic

#3036B5 #B53036 #36B530

tetradic

#3036B5 #B53079 #B5AF30 #30B56C

square

#3036B5 #B53079 #B5AF30 #30B56C

split-complementary

#3036B5 #B56C30 #79B530

monochromatic

#161954 #232885 #3036B5 #5157D1 #8286DE

Accessibility & contrast

On white

9.05

#3036B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3036B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3036B5

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3036B5	#FFFFFF	#000000	##FFFFFF
##3036B5	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB9

Deuteranopia (green-blind)

#0042B3

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3036b5;
/* rgb */ color: rgb(48, 54, 181);
/* oklch */ color: oklch(42.1% 0.195 272.3);

Tailwind

colors: {
  custom: {
    50: '#7d6ecc',
    500: '#3036b5',
    950: '#000000',
  },
}

SCSS

$custom: #3036b5;
$custom-light: #7d6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3036b5",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 181
  },
  "hsl": {
    "h": 237.293,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42103,
    "c": 0.19539,
    "h": 272.3
  },
  "luminance": 0.06603
}

Semantic roles & 50–950 ramp

primary

#3036B5

secondary

#C7C37A

accent

#DA46E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3036B5

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

Preview Lab → · Contrast checker → · Palette generator →