#2A59B9#2A59B9

#2A59B9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.161 H 262.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A59B9
RGB	rgb(42, 89, 185)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 77%, 73%)
CMYK	cmyk(77.3%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(39.81, 18.89, -55.29)
CIE-LCH	lch(39.81, 58.42, 288.86°)
OKLab	oklab(48.76% -0.021 -0.1592)
OKLCH	oklch(48.76% 0.161 262.5)
XYZ	xyz(13.2810, 11.1383, 47.3395)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A59B9 #B98A2A

analogous

#2AA1B9 #2A59B9 #432AB9

triadic

#2A59B9 #B92A59 #59B92A

tetradic

#2A59B9 #B92AA1 #B98A2A #2AB943

square

#2A59B9 #B92AA1 #B98A2A #2AB943

split-complementary

#2A59B9 #B9432A #A1B92A

monochromatic

#132955 #1F4187 #2A59B9 #4A78D6 #7C9DE1

Accessibility & contrast

On white

6.51

#2A59B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2A59B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A59B9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A59B9	#FFFFFF	#000000	##FFFFFF
##2A59B9	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1865BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a59b9;
/* rgb */ color: rgb(42, 89, 185);
/* oklch */ color: oklch(48.8% 0.161 262.5);

Tailwind

colors: {
  custom: {
    50: '#7987cf',
    500: '#2a59b9',
    950: '#000000',
  },
}

SCSS

$custom: #2a59b9;
$custom-light: #7987cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a59b9",
  "rgb": {
    "r": 42,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 220.28,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48763,
    "c": 0.16056,
    "h": 262.5
  },
  "luminance": 0.1114
}

Semantic roles & 50–950 ramp

primary

#2A59B9

secondary

#CAAE75

accent

#B042E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2A59B9

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

Preview Lab → · Contrast checker → · Palette generator →