#3039B7#3039B7

#3039B7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.195 H 271.7°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#3039B7
RGB	rgb(48, 57, 183)
HSL	hsl(236, 58%, 45%)
HSV	hsv(236, 74%, 72%)
CMYK	cmyk(73.8%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(31.74, 39.53, -67.26)
CIE-LCH	lch(31.74, 78.01, 300.44°)
OKLab	oklab(42.78% 0.0059 -0.1946)
OKLCH	oklch(42.78% 0.195 271.7)
XYZ	xyz(11.2264, 6.9724, 45.5447)
Luminance	0.0697 (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

#3039B7 #B7AE30

analogous

#307CB7 #3039B7 #6A30B7

triadic

#3039B7 #B73039 #39B730

tetradic

#3039B7 #B7307C #B7AE30 #30B76A

square

#3039B7 #B7307C #B7AE30 #30B76A

split-complementary

#3039B7 #B76A30 #7CB730

monochromatic

#171B56 #232A87 #3039B7 #525BD2 #8389DE

Accessibility & contrast

On white

8.77

#3039B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3039B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039B7

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039B7	#FFFFFF	#000000	##FFFFFF
##3039B7	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3039b7;
/* rgb */ color: rgb(48, 57, 183);
/* oklch */ color: oklch(42.8% 0.195 271.7);

Tailwind

colors: {
  custom: {
    50: '#7d70ce',
    500: '#3039b7',
    950: '#000000',
  },
}

SCSS

$custom: #3039b7;
$custom-light: #7d70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3039b7",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 236,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42783,
    "c": 0.19465,
    "h": 271.7
  },
  "luminance": 0.06974
}

Semantic roles & 50–950 ramp

primary

#3039B7

secondary

#C8C37B

accent

#D746E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3039B7

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

Preview Lab → · Contrast checker → · Palette generator →