#2B59B0#2B59B0

#2B59B0 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.148 H 261.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B59B0
RGB	rgb(43, 89, 176)
HSL	hsl(219, 61%, 43%)
HSV	hsv(219, 76%, 69%)
CMYK	cmyk(75.6%, 49.4%, 0%, 31%)
CIE-LAB	lab(39.23, 15.56, -50.94)
CIE-LCH	lch(39.23, 53.26, 286.98°)
OKLab	oklab(48.13% -0.0215 -0.1464)
OKLCH	oklch(48.13% 0.148 261.7)
XYZ	xyz(12.4023, 10.7916, 42.4952)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59B0 #B0822B

analogous

#2B9BB0 #2B59B0 #3F2BB0

triadic

#2B59B0 #B02B59 #59B02B

tetradic

#2B59B0 #B02B9B #B0822B #2BB03F

square

#2B59B0 #B02B9B #B0822B #2BB03F

split-complementary

#2B59B0 #B03F2B #9BB02B

monochromatic

#13274E #1F407F #2B59B0 #4677D2 #789BDE

Accessibility & contrast

On white

6.65

#2B59B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2B59B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59B0

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59B0	#FFFFFF	#000000	##FFFFFF
##2B59B0	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2763B3

Deuteranopia (green-blind)

#0057AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2b59b0;
/* rgb */ color: rgb(43, 89, 176);
/* oklch */ color: oklch(48.1% 0.148 261.7);

Tailwind

colors: {
  custom: {
    50: '#7787c8',
    500: '#2b59b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b59b0;
$custom-light: #7787c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59b0",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 219.248,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48128,
    "c": 0.14794,
    "h": 261.7
  },
  "luminance": 0.10793
}

Semantic roles & 50–950 ramp

primary

#2B59B0

secondary

#C6A871

accent

#AD44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B59B0

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

Preview Lab → · Contrast checker → · Palette generator →