#3038B1#3038B1

#3038B1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.188 H 272.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3038B1
RGB	rgb(48, 56, 177)
HSL	hsl(236, 57%, 44%)
HSV	hsv(236, 73%, 69%)
CMYK	cmyk(72.9%, 68.4%, 0%, 30.6%)
CIE-LAB	lab(30.95, 38.05, -65.00)
CIE-LCH	lch(30.95, 75.32, 300.34°)
OKLab	oklab(42.04% 0.0071 -0.188)
OKLCH	oklch(42.04% 0.188 272.2)
XYZ	xyz(10.5662, 6.6300, 42.3093)
Luminance	0.0663 (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

#3038B1 #B1A930

analogous

#3079B1 #3038B1 #6930B1

triadic

#3038B1 #B13038 #38B130

tetradic

#3038B1 #B13079 #B1A930 #30B169

square

#3038B1 #B13079 #B1A930 #30B169

split-complementary

#3038B1 #B16930 #79B130

monochromatic

#161A51 #232981 #3038B1 #4F57CF #7F85DC

Accessibility & contrast

On white

9.03

#3038B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3038B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3038B1

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3038B1	#FFFFFF	#000000	##FFFFFF
##3038B1	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0043AF

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3038b1;
/* rgb */ color: rgb(48, 56, 177);
/* oklch */ color: oklch(42.0% 0.188 272.2);

Tailwind

colors: {
  custom: {
    50: '#7c6fc9',
    500: '#3038b1',
    950: '#000000',
  },
}

SCSS

$custom: #3038b1;
$custom-light: #7c6fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3038b1",
  "rgb": {
    "r": 48,
    "g": 56,
    "b": 177
  },
  "hsl": {
    "h": 236.279,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42035,
    "c": 0.18809,
    "h": 272.2
  },
  "luminance": 0.06631
}

Semantic roles & 50–950 ramp

primary

#3038B1

secondary

#C5C078

accent

#D747E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3038B1

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

Preview Lab → · Contrast checker → · Palette generator →