#3039A4#3039A4

#3039A4 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.170 H 272.6°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#3039A4
RGB	rgb(48, 57, 164)
HSL	hsl(235, 55%, 42%)
HSV	hsv(235, 71%, 64%)
CMYK	cmyk(70.7%, 65.2%, 0%, 35.7%)
CIE-LAB	lab(30.00, 32.81, -58.77)
CIE-LCH	lch(30.00, 67.31, 299.17°)
OKLab	oklab(40.98% 0.0076 -0.1697)
OKLCH	oklch(40.98% 0.17 272.6)
XYZ	xyz(9.3806, 6.2341, 35.8237)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3039A4 #A49B30

analogous

#3073A4 #3039A4 #6130A4

triadic

#3039A4 #A43039 #39A430

tetradic

#3039A4 #A43073 #A49B30 #30A461

square

#3039A4 #A43073 #A49B30 #30A461

split-complementary

#3039A4 #A46130 #73A430

monochromatic

#141845 #222975 #3039A4 #4852C9 #777FD7

Accessibility & contrast

On white

9.35

#3039A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3039A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039A4

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039A4	#FFFFFF	#000000	##FFFFFF
##3039A4	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3039a4;
/* rgb */ color: rgb(48, 57, 164);
/* oklch */ color: oklch(41.0% 0.170 272.6);

Tailwind

colors: {
  custom: {
    50: '#796fc0',
    500: '#3039a4',
    950: '#000000',
  },
}

SCSS

$custom: #3039a4;
$custom-light: #796fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3039a4",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 164
  },
  "hsl": {
    "h": 235.345,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40977,
    "c": 0.16989,
    "h": 272.6
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#3039A4

secondary

#BFB970

accent

#D34ADE

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3039A4

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

Preview Lab → · Contrast checker → · Palette generator →