#2B39A1#2B39A1

#2B39A1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.167 H 270.8°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A1
RGB	rgb(43, 57, 161)
HSL	hsl(233, 58%, 40%)
HSV	hsv(233, 73%, 63%)
CMYK	cmyk(73.3%, 64.6%, 0%, 36.9%)
CIE-LAB	lab(29.44, 31.09, -57.87)
CIE-LCH	lch(29.44, 65.69, 298.25°)
OKLab	oklab(40.41% 0.0024 -0.1672)
OKLCH	oklch(40.41% 0.167 270.8)
XYZ	xyz(8.8902, 6.0121, 34.4032)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A1 #A1932B

analogous

#2B74A1 #2B39A1 #582BA1

triadic

#2B39A1 #A12B39 #39A12B

tetradic

#2B39A1 #A12B74 #A1932B #2BA158

square

#2B39A1 #A12B74 #A1932B #2BA158

split-complementary

#2B39A1 #A1582B #74A12B

monochromatic

#111740 #1E2871 #2B39A1 #3E4FCB #6E7BD8

Accessibility & contrast

On white

9.53

#2B39A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B39A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A1

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A1	#FFFFFF	#000000	##FFFFFF
##2B39A1	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b39a1;
/* rgb */ color: rgb(43, 57, 161);
/* oklch */ color: oklch(40.4% 0.167 270.8);

Tailwind

colors: {
  custom: {
    50: '#766fbe',
    500: '#2b39a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a1;
$custom-light: #766fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a1",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 161
  },
  "hsl": {
    "h": 232.881,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.40413,
    "c": 0.16723,
    "h": 270.8
  },
  "luminance": 0.06013
}

Semantic roles & 50–950 ramp

primary

#2B39A1

secondary

#BFB569

accent

#CF47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B39A1

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

Preview Lab → · Contrast checker → · Palette generator →