#2F59B2#2F59B2

#2F59B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.149 H 263.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F59B2
RGB	rgb(47, 89, 178)
HSL	hsl(221, 58%, 44%)
HSV	hsv(221, 74%, 70%)
CMYK	cmyk(73.6%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.52, 16.84, -51.64)
CIE-LCH	lch(39.52, 54.32, 288.06°)
OKLab	oklab(48.44% -0.0182 -0.1484)
OKLCH	oklch(48.44% 0.149 263)
XYZ	xyz(12.7777, 10.9621, 43.5533)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59B2 #B2882F

analogous

#2F9BB2 #2F59B2 #462FB2

triadic

#2F59B2 #B22F59 #59B22F

tetradic

#2F59B2 #B22F9B #B2882F #2FB246

square

#2F59B2 #B22F9B #B2882F #2FB246

split-complementary

#2F59B2 #B2462F #9BB22F

monochromatic

#152951 #224182 #2F59B2 #4E78D0 #7E9DDD

Accessibility & contrast

On white

6.58

#2F59B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2F59B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59B2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59B2	#FFFFFF	#000000	##FFFFFF
##2F59B2	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2563B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2f59b2;
/* rgb */ color: rgb(47, 89, 178);
/* oklch */ color: oklch(48.4% 0.149 263.0);

Tailwind

colors: {
  custom: {
    50: '#7987ca',
    500: '#2f59b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f59b2;
$custom-light: #7987ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59b2",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 220.763,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48436,
    "c": 0.14948,
    "h": 263
  },
  "luminance": 0.10963
}

Semantic roles & 50–950 ramp

primary

#2F59B2

secondary

#C6AD77

accent

#B046E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F59B2

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

Preview Lab → · Contrast checker → · Palette generator →