#2F59B6#2F59B6

#2F59B6 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.155 H 263.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F59B6
RGB	rgb(47, 89, 182)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 74%, 71%)
CMYK	cmyk(74.2%, 51.1%, 0%, 28.6%)
CIE-LAB	lab(39.79, 18.36, -53.55)
CIE-LCH	lch(39.79, 56.61, 288.92°)
OKLab	oklab(48.73% -0.0177 -0.154)
OKLCH	oklch(48.73% 0.155 263.5)
XYZ	xyz(13.1852, 11.1251, 45.6994)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59B6 #B68C2F

analogous

#2F9DB6 #2F59B6 #482FB6

triadic

#2F59B6 #B62F59 #59B62F

tetradic

#2F59B6 #B62F9D #B68C2F #2FB648

square

#2F59B6 #B62F9D #B68C2F #2FB648

split-complementary

#2F59B6 #B6482F #9DB62F

monochromatic

#162955 #224185 #2F59B6 #5079D2 #819EDE

Accessibility & contrast

On white

6.51

#2F59B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2F59B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59B6

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59B6	#FFFFFF	#000000	##FFFFFF
##2F59B6	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)

#1F64B9

Deuteranopia (green-blind)

#0058B4

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2f59b6;
/* rgb */ color: rgb(47, 89, 182);
/* oklch */ color: oklch(48.7% 0.155 263.5);

Tailwind

colors: {
  custom: {
    50: '#7a87cc',
    500: '#2f59b6',
    950: '#000000',
  },
}

SCSS

$custom: #2f59b6;
$custom-light: #7a87cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59b6",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 182
  },
  "hsl": {
    "h": 221.333,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48732,
    "c": 0.155,
    "h": 263.5
  },
  "luminance": 0.11126
}

Semantic roles & 50–950 ramp

primary

#2F59B6

secondary

#C7AF79

accent

#B146E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #2F59B6

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

Preview Lab → · Contrast checker → · Palette generator →