#2A63B6#2A63B6

#2A63B6 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.144 H 258.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A63B6
RGB	rgb(42, 99, 182)
HSL	hsl(216, 63%, 44%)
HSV	hsv(216, 77%, 71%)
CMYK	cmyk(76.9%, 45.6%, 0%, 28.6%)
CIE-LAB	lab(42.45, 11.23, -49.28)
CIE-LCH	lch(42.45, 50.55, 282.83°)
OKLab	oklab(50.72% -0.0296 -0.1413)
OKLCH	oklch(50.72% 0.144 258.2)
XYZ	xyz(13.8571, 12.7917, 45.9856)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63B6 #B67D2A

analogous

#2AA9B6 #2A63B6 #372AB6

triadic

#2A63B6 #B62A63 #63B62A

tetradic

#2A63B6 #B62AA9 #B67D2A #2AB637

square

#2A63B6 #B62AA9 #B67D2A #2AB637

split-complementary

#2A63B6 #B6372A #A9B62A

monochromatic

#132D53 #1F4884 #2A63B6 #4882D5 #7AA4E0

Accessibility & contrast

On white

5.90

#2A63B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2A63B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63B6

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63B6	#FFFFFF	#000000	##FFFFFF
##2A63B6	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386BB9

Deuteranopia (green-blind)

#185EB4

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a63b6;
/* rgb */ color: rgb(42, 99, 182);
/* oklch */ color: oklch(50.7% 0.144 258.2);

Tailwind

colors: {
  custom: {
    50: '#788ecc',
    500: '#2a63b6',
    950: '#000000',
  },
}

SCSS

$custom: #2a63b6;
$custom-light: #788ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63b6",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 182
  },
  "hsl": {
    "h": 215.571,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5072,
    "c": 0.14438,
    "h": 258.2
  },
  "luminance": 0.12793
}

Semantic roles & 50–950 ramp

primary

#2A63B6

secondary

#C8A673

accent

#A342E6

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A63B6

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

Preview Lab → · Contrast checker → · Palette generator →