#3033B8#3033B8

#3033B8 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 41.9% C 0.202 H 272.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#3033B8
RGB	rgb(48, 51, 184)
HSL	hsl(239, 59%, 45%)
HSV	hsv(239, 74%, 72%)
CMYK	cmyk(73.9%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(30.53, 43.47, -69.84)
CIE-LCH	lch(30.53, 82.26, 301.90°)
OKLab	oklab(41.94% 0.009 -0.2021)
OKLCH	oklch(41.94% 0.202 272.5)
XYZ	xyz(11.0516, 6.4556, 46.0017)
Luminance	0.0646 (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

#3033B8 #B8B530

analogous

#3077B8 #3033B8 #7130B8

triadic

#3033B8 #B83033 #33B830

tetradic

#3033B8 #B83077 #B8B530 #30B871

square

#3033B8 #B83077 #B8B530 #30B871

split-complementary

#3033B8 #B87130 #77B830

monochromatic

#171857 #232687 #3033B8 #5356D2 #8486DF

Accessibility & contrast

On white

9.16

#3033B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3033B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033B8

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033B8	#FFFFFF	#000000	##FFFFFF
##3033B8	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0041B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3033b8;
/* rgb */ color: rgb(48, 51, 184);
/* oklch */ color: oklch(41.9% 0.202 272.5);

Tailwind

colors: {
  custom: {
    50: '#7e6ccf',
    500: '#3033b8',
    950: '#000000',
  },
}

SCSS

$custom: #3033b8;
$custom-light: #7e6ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3033b8",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 238.676,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41942,
    "c": 0.20229,
    "h": 272.5
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#3033B8

secondary

#C8C67C

accent

#DE46E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3033B8

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

Preview Lab → · Contrast checker → · Palette generator →