#2B39A5#2B39A5

#2B39A5 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.173 H 270.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A5
RGB	rgb(43, 57, 165)
HSL	hsl(233, 59%, 41%)
HSV	hsv(233, 74%, 65%)
CMYK	cmyk(73.9%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(29.80, 32.56, -59.70)
CIE-LCH	lch(29.80, 68.00, 298.61°)
OKLab	oklab(40.79% 0.0021 -0.1726)
OKLCH	oklch(40.79% 0.173 270.7)
XYZ	xyz(9.2486, 6.1555, 36.2907)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A5 #A5972B

analogous

#2B76A5 #2B39A5 #5A2BA5

triadic

#2B39A5 #A52B39 #39A52B

tetradic

#2B39A5 #A52B76 #A5972B #2BA55A

square

#2B39A5 #A52B76 #A5972B #2BA55A

split-complementary

#2B39A5 #A55A2B #76A52B

monochromatic

#121744 #1E2874 #2B39A5 #4050CD #717DDA

Accessibility & contrast

On white

9.41

#2B39A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2B39A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A5

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A5	#FFFFFF	#000000	##FFFFFF
##2B39A5	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b39a5;
/* rgb */ color: rgb(43, 57, 165);
/* oklch */ color: oklch(40.8% 0.173 270.7);

Tailwind

colors: {
  custom: {
    50: '#776fc1',
    500: '#2b39a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a5;
$custom-light: #776fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a5",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 233.115,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40786,
    "c": 0.17258,
    "h": 270.7
  },
  "luminance": 0.06156
}

Semantic roles & 50–950 ramp

primary

#2B39A5

secondary

#C1B76B

accent

#D046E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B39A5

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

Preview Lab → · Contrast checker → · Palette generator →