#2A63B5#2A63B5

#2A63B5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.143 H 258.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#2A63B5
RGB	rgb(42, 99, 181)
HSL	hsl(215, 62%, 44%)
HSV	hsv(215, 77%, 71%)
CMYK	cmyk(76.8%, 45.3%, 0%, 29%)
CIE-LAB	lab(42.38, 10.84, -48.80)
CIE-LCH	lch(42.38, 49.99, 282.53°)
OKLab	oklab(50.65% -0.0298 -0.1399)
OKLCH	oklch(50.65% 0.143 258)
XYZ	xyz(13.7541, 12.7505, 45.4433)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63B5 #B57C2A

analogous

#2AA8B5 #2A63B5 #362AB5

triadic

#2A63B5 #B52A63 #63B52A

tetradic

#2A63B5 #B52AA8 #B57C2A #2AB536

square

#2A63B5 #B52AA8 #B57C2A #2AB536

split-complementary

#2A63B5 #B5362A #A8B52A

monochromatic

#132D52 #1E4883 #2A63B5 #4881D4 #79A3E0

Accessibility & contrast

On white

5.91

#2A63B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2A63B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63B5

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63B5	#FFFFFF	#000000	##FFFFFF
##2A63B5	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386BB8

Deuteranopia (green-blind)

#1A5EB3

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a63b5;
/* rgb */ color: rgb(42, 99, 181);
/* oklch */ color: oklch(50.7% 0.143 258.0);

Tailwind

colors: {
  custom: {
    50: '#788ecc',
    500: '#2a63b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a63b5;
$custom-light: #788ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63b5",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 181
  },
  "hsl": {
    "h": 215.396,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50651,
    "c": 0.14303,
    "h": 258
  },
  "luminance": 0.12752
}

Semantic roles & 50–950 ramp

primary

#2A63B5

secondary

#C8A573

accent

#A342E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A63B5

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

Preview Lab → · Contrast checker → · Palette generator →