#2B59AB#2B59AB

#2B59AB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.141 H 260.9°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B59AB
RGB	rgb(43, 89, 171)
HSL	hsl(218, 60%, 42%)
HSV	hsv(218, 75%, 67%)
CMYK	cmyk(74.9%, 48%, 0%, 32.9%)
CIE-LAB	lab(38.89, 13.64, -48.52)
CIE-LCH	lch(38.89, 50.40, 285.70°)
OKLab	oklab(47.77% -0.0222 -0.1393)
OKLCH	oklch(47.77% 0.141 260.9)
XYZ	xyz(11.9167, 10.5973, 39.9376)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59AB #AB7D2B

analogous

#2B99AB #2B59AB #3D2BAB

triadic

#2B59AB #AB2B59 #59AB2B

tetradic

#2B59AB #AB2B99 #AB7D2B #2BAB3D

square

#2B59AB #AB2B99 #AB7D2B #2BAB3D

split-complementary

#2B59AB #AB3D2B #99AB2B

monochromatic

#122649 #1F407A #2B59AB #4376D0 #749ADC

Accessibility & contrast

On white

6.73

#2B59AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2B59AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59AB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59AB	#FFFFFF	#000000	##FFFFFF
##2B59AB	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AE

Deuteranopia (green-blind)

#0756A9

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b59ab;
/* rgb */ color: rgb(43, 89, 171);
/* oklch */ color: oklch(47.8% 0.141 260.9);

Tailwind

colors: {
  custom: {
    50: '#7687c4',
    500: '#2b59ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b59ab;
$custom-light: #7687c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59ab",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 171
  },
  "hsl": {
    "h": 218.438,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47766,
    "c": 0.14101,
    "h": 260.9
  },
  "luminance": 0.10599
}

Semantic roles & 50–950 ramp

primary

#2B59AB

secondary

#C4A56E

accent

#AA45E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B59AB

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

Preview Lab → · Contrast checker → · Palette generator →