#3039AD#3039AD

#3039AD is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.182 H 272.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3039AD
RGB	rgb(48, 57, 173)
HSL	hsl(236, 57%, 43%)
HSV	hsv(236, 72%, 68%)
CMYK	cmyk(72.3%, 67.1%, 0%, 32.2%)
CIE-LAB	lab(30.81, 36.02, -62.84)
CIE-LCH	lch(30.81, 72.43, 299.82°)
OKLab	oklab(41.82% 0.0069 -0.1816)
OKLCH	oklch(41.82% 0.182 272.2)
XYZ	xyz(10.2223, 6.5707, 40.2566)
Luminance	0.0657 (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

#3039AD #ADA430

analogous

#3077AD #3039AD #6530AD

triadic

#3039AD #AD3039 #39AD30

tetradic

#3039AD #AD3077 #ADA430 #30AD65

square

#3039AD #AD3077 #ADA430 #30AD65

split-complementary

#3039AD #AD6530 #77AD30

monochromatic

#15194D #23297D #3039AD #4D56CE #7D83DB

Accessibility & contrast

On white

9.07

#3039AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3039AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039AD

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039AD	#FFFFFF	#000000	##FFFFFF
##3039AD	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3039ad;
/* rgb */ color: rgb(48, 57, 173);
/* oklch */ color: oklch(41.8% 0.182 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b70c6',
    500: '#3039ad',
    950: '#000000',
  },
}

SCSS

$custom: #3039ad;
$custom-light: #7b70c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3039ad",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 173
  },
  "hsl": {
    "h": 235.68,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4182,
    "c": 0.18178,
    "h": 272.2
  },
  "luminance": 0.06572
}

Semantic roles & 50–950 ramp

primary

#3039AD

secondary

#C3BE75

accent

#D548E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3039AD

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

Preview Lab → · Contrast checker → · Palette generator →