#2B39A6#2B39A6

#2B39A6 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.174 H 270.7°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A6
RGB	rgb(43, 57, 166)
HSL	hsl(233, 59%, 41%)
HSV	hsv(233, 74%, 65%)
CMYK	cmyk(74.1%, 65.7%, 0%, 34.9%)
CIE-LAB	lab(29.89, 32.92, -60.15)
CIE-LCH	lch(29.89, 68.57, 298.69°)
OKLab	oklab(40.88% 0.0021 -0.1739)
OKLCH	oklch(40.88% 0.174 270.7)
XYZ	xyz(9.3400, 6.1920, 36.7719)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A6 #A6982B

analogous

#2B76A6 #2B39A6 #5A2BA6

triadic

#2B39A6 #A62B39 #39A62B

tetradic

#2B39A6 #A62B76 #A6982B #2BA65A

square

#2B39A6 #A62B76 #A6982B #2BA65A

split-complementary

#2B39A6 #A65A2B #76A62B

monochromatic

#121845 #1E2875 #2B39A6 #4151CE #717DDA

Accessibility & contrast

On white

9.38

#2B39A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B39A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A6

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A6	#FFFFFF	#000000	##FFFFFF
##2B39A6	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA9

Deuteranopia (green-blind)

#0041A4

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b39a6;
/* rgb */ color: rgb(43, 57, 166);
/* oklch */ color: oklch(40.9% 0.174 270.7);

Tailwind

colors: {
  custom: {
    50: '#776fc1',
    500: '#2b39a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a6;
$custom-light: #776fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a6",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 166
  },
  "hsl": {
    "h": 233.171,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4088,
    "c": 0.17391,
    "h": 270.7
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary

#2B39A6

secondary

#C1B86B

accent

#D046E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B39A6

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

Preview Lab → · Contrast checker → · Palette generator →