#2B38B0#2B38B0

#2B38B0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.7% C 0.188 H 270.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B38B0
RGB	rgb(43, 56, 176)
HSL	hsl(234, 61%, 43%)
HSV	hsv(234, 76%, 69%)
CMYK	cmyk(75.6%, 68.2%, 0%, 31%)
CIE-LAB	lab(30.58, 37.17, -65.02)
CIE-LCH	lch(30.58, 74.89, 299.75°)
OKLab	oklab(41.67% 0.0019 -0.1881)
OKLCH	oklch(41.67% 0.188 270.6)
XYZ	xyz(10.2442, 6.4754, 41.7759)
Luminance	0.0648 (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

#2B38B0 #B0A32B

analogous

#2B7BB0 #2B38B0 #602BB0

triadic

#2B38B0 #B02B38 #38B02B

tetradic

#2B38B0 #B02B7B #B0A32B #2BB060

square

#2B38B0 #B02B7B #B0A32B #2BB060

split-complementary

#2B38B0 #B0602B #7BB02B

monochromatic

#13194E #1F287F #2B38B0 #4654D2 #7882DE

Accessibility & contrast

On white

9.15

#2B38B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B38B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B38B0

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B38B0	#FFFFFF	#000000	##FFFFFF
##2B38B0	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB4

Deuteranopia (green-blind)

#0042AE

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b38b0;
/* rgb */ color: rgb(43, 56, 176);
/* oklch */ color: oklch(41.7% 0.188 270.6);

Tailwind

colors: {
  custom: {
    50: '#7a6fc9',
    500: '#2b38b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b38b0;
$custom-light: #7a6fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b38b0",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 176
  },
  "hsl": {
    "h": 234.135,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41666,
    "c": 0.18813,
    "h": 270.6
  },
  "luminance": 0.06477
}

Semantic roles & 50–950 ramp

primary

#2B38B0

secondary

#C6BD71

accent

#D444E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B38B0

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

Preview Lab → · Contrast checker → · Palette generator →