#2F59AB#2F59AB

#2F59AB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.140 H 262.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F59AB
RGB	rgb(47, 89, 171)
HSL	hsl(220, 57%, 43%)
HSV	hsv(220, 73%, 67%)
CMYK	cmyk(72.5%, 48%, 0%, 32.9%)
CIE-LAB	lab(39.05, 14.19, -48.26)
CIE-LCH	lch(39.05, 50.30, 286.39°)
OKLab	oklab(47.93% -0.0192 -0.1384)
OKLCH	oklch(47.93% 0.14 262.1)
XYZ	xyz(12.0927, 10.6881, 39.9459)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59AB #AB812F

analogous

#2F97AB #2F59AB #432FAB

triadic

#2F59AB #AB2F59 #59AB2F

tetradic

#2F59AB #AB2F97 #AB812F #2FAB43

square

#2F59AB #AB2F97 #AB812F #2FAB43

split-complementary

#2F59AB #AB432F #97AB2F

monochromatic

#15274B #22407B #2F59AB #4A76CD #7A9BDA

Accessibility & contrast

On white

6.69

#2F59AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2F59AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59AB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59AB	#FFFFFF	#000000	##FFFFFF
##2F59AB	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#0C57A9

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2f59ab;
/* rgb */ color: rgb(47, 89, 171);
/* oklch */ color: oklch(47.9% 0.140 262.1);

Tailwind

colors: {
  custom: {
    50: '#7887c4',
    500: '#2f59ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f59ab;
$custom-light: #7887c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59ab",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 171
  },
  "hsl": {
    "h": 219.677,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47929,
    "c": 0.13974,
    "h": 262.1
  },
  "luminance": 0.10689
}

Semantic roles & 50–950 ramp

primary

#2F59AB

secondary

#C3A873

accent

#AC48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F59AB

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

Preview Lab → · Contrast checker → · Palette generator →