#2B63B4#2B63B4

#2B63B4 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.141 H 258.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B63B4
RGB	rgb(43, 99, 180)
HSL	hsl(215, 61%, 44%)
HSV	hsv(215, 76%, 71%)
CMYK	cmyk(76.1%, 45%, 0%, 29.4%)
CIE-LAB	lab(42.36, 10.59, -48.26)
CIE-LCH	lch(42.36, 49.41, 282.37°)
OKLab	oklab(50.62% -0.0293 -0.1383)
OKLCH	oklch(50.62% 0.141 258)
XYZ	xyz(13.6933, 12.7310, 44.9068)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63B4 #B47C2B

analogous

#2BA7B4 #2B63B4 #372BB4

triadic

#2B63B4 #B42B63 #63B42B

tetradic

#2B63B4 #B42BA7 #B47C2B #2BB437

square

#2B63B4 #B42BA7 #B47C2B #2BB437

split-complementary

#2B63B4 #B4372B #A7B42B

monochromatic

#132D51 #1F4883 #2B63B4 #4981D3 #7AA3DF

Accessibility & contrast

On white

5.92

#2B63B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2B63B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63B4

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63B4	#FFFFFF	#000000	##FFFFFF
##2B63B4	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396BB7

Deuteranopia (green-blind)

#1D5EB2

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b63b4;
/* rgb */ color: rgb(43, 99, 180);
/* oklch */ color: oklch(50.6% 0.141 258.0);

Tailwind

colors: {
  custom: {
    50: '#788ecb',
    500: '#2b63b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b63b4;
$custom-light: #788ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63b4",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 215.474,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50617,
    "c": 0.14137,
    "h": 258
  },
  "luminance": 0.12733
}

Semantic roles & 50–950 ramp

primary

#2B63B4

secondary

#C7A573

accent

#A343E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B63B4

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

Preview Lab → · Contrast checker → · Palette generator →