#2F59B8#2F59B8

#2F59B8 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.158 H 263.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#2F59B8
RGB	rgb(47, 89, 184)
HSL	hsl(222, 59%, 45%)
HSV	hsv(222, 74%, 72%)
CMYK	cmyk(74.5%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(39.93, 19.11, -54.50)
CIE-LCH	lch(39.93, 57.76, 289.33°)
OKLab	oklab(48.88% -0.0174 -0.1568)
OKLCH	oklch(48.88% 0.158 263.7)
XYZ	xyz(13.3933, 11.2083, 46.7957)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59B8 #B88E2F

analogous

#2F9DB8 #2F59B8 #4A2FB8

triadic

#2F59B8 #B82F59 #59B82F

tetradic

#2F59B8 #B82F9D #B88E2F #2FB84A

square

#2F59B8 #B82F9D #B88E2F #2FB84A

split-complementary

#2F59B8 #B84A2F #9DB82F

monochromatic

#162A57 #234187 #2F59B8 #5279D3 #829FDF

Accessibility & contrast

On white

6.48

#2F59B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2F59B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59B8

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59B8	#FFFFFF	#000000	##FFFFFF
##2F59B8	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2f59b8;
/* rgb */ color: rgb(47, 89, 184);
/* oklch */ color: oklch(48.9% 0.158 263.7);

Tailwind

colors: {
  custom: {
    50: '#7a87ce',
    500: '#2f59b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f59b8;
$custom-light: #7a87ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59b8",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 221.606,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48882,
    "c": 0.15776,
    "h": 263.7
  },
  "luminance": 0.1121
}

Semantic roles & 50–950 ramp

primary

#2F59B8

secondary

#C8B07B

accent

#B245E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F59B8

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

Preview Lab → · Contrast checker → · Palette generator →