#2F63B4#2F63B4

#2F63B4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.8% C 0.140 H 259.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F63B4
RGB	rgb(47, 99, 180)
HSL	hsl(217, 59%, 45%)
HSV	hsv(217, 74%, 71%)
CMYK	cmyk(73.9%, 45%, 0%, 29.4%)
CIE-LAB	lab(42.49, 11.11, -48.03)
CIE-LCH	lch(42.49, 49.30, 283.02°)
OKLab	oklab(50.76% -0.0266 -0.1376)
OKLCH	oklch(50.76% 0.14 259.1)
XYZ	xyz(13.8694, 12.8218, 44.9151)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63B4 #B4802F

analogous

#2FA6B4 #2F63B4 #3D2FB4

triadic

#2F63B4 #B42F63 #63B42F

tetradic

#2F63B4 #B42FA6 #B4802F #2FB43D

square

#2F63B4 #B42FA6 #B4802F #2FB43D

split-complementary

#2F63B4 #B43D2F #A6B42F

monochromatic

#162E53 #224883 #2F63B4 #4F82D1 #80A4DE

Accessibility & contrast

On white

5.89

#2F63B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2F63B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63B4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63B4	#FFFFFF	#000000	##FFFFFF
##2F63B4	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB7

Deuteranopia (green-blind)

#1F5FB2

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2f63b4;
/* rgb */ color: rgb(47, 99, 180);
/* oklch */ color: oklch(50.8% 0.140 259.1);

Tailwind

colors: {
  custom: {
    50: '#798ecb',
    500: '#2f63b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f63b4;
$custom-light: #798ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63b4",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 216.541,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50763,
    "c": 0.14011,
    "h": 259.1
  },
  "luminance": 0.12823
}

Semantic roles & 50–950 ramp

primary

#2F63B4

secondary

#C7A878

accent

#A546E2

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F63B4

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

Preview Lab → · Contrast checker → · Palette generator →