#3033B7#3033B7

#3033B7 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.8% C 0.201 H 272.6°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#3033B7
RGB	rgb(48, 51, 183)
HSL	hsl(239, 58%, 45%)
HSV	hsv(239, 74%, 72%)
CMYK	cmyk(73.8%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.43, 43.13, -69.41)
CIE-LCH	lch(30.43, 81.72, 301.85°)
OKLab	oklab(41.84% 0.0091 -0.2008)
OKLCH	oklch(41.84% 0.201 272.6)
XYZ	xyz(10.9471, 6.4138, 45.4516)
Luminance	0.0641 (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

#3033B7 #B7B430

analogous

#3076B7 #3033B7 #7130B7

triadic

#3033B7 #B73033 #33B730

tetradic

#3033B7 #B73076 #B7B430 #30B771

square

#3033B7 #B73076 #B7B430 #30B771

split-complementary

#3033B7 #B77130 #76B730

monochromatic

#171856 #232587 #3033B7 #5255D2 #8385DE

Accessibility & contrast

On white

9.20

#3033B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3033B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033B7

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033B7	#FFFFFF	#000000	##FFFFFF
##3033B7	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3033b7;
/* rgb */ color: rgb(48, 51, 183);
/* oklch */ color: oklch(41.8% 0.201 272.6);

Tailwind

colors: {
  custom: {
    50: '#7d6cce',
    500: '#3033b7',
    950: '#000000',
  },
}

SCSS

$custom: #3033b7;
$custom-light: #7d6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3033b7",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 238.667,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4184,
    "c": 0.20105,
    "h": 272.6
  },
  "luminance": 0.06415
}

Semantic roles & 50–950 ramp

primary

#3033B7

secondary

#C8C67B

accent

#DE46E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3033B7

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

Preview Lab → · Contrast checker → · Palette generator →