#2A63B7#2A63B7

#2A63B7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.8% C 0.146 H 258.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A63B7
RGB	rgb(42, 99, 183)
HSL	hsl(216, 63%, 44%)
HSV	hsv(216, 77%, 72%)
CMYK	cmyk(77%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.51, 11.61, -49.77)
CIE-LCH	lch(42.51, 51.10, 283.13°)
OKLab	oklab(50.79% -0.0294 -0.1427)
OKLCH	oklch(50.79% 0.146 258.4)
XYZ	xyz(13.9608, 12.8332, 46.5318)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63B7 #B77E2A

analogous

#2AAAB7 #2A63B7 #382AB7

triadic

#2A63B7 #B72A63 #63B72A

tetradic

#2A63B7 #B72AAA #B77E2A #2AB738

square

#2A63B7 #B72AAA #B77E2A #2AB738

split-complementary

#2A63B7 #B7382A #AAB72A

monochromatic

#132D53 #1F4885 #2A63B7 #4982D5 #7BA4E1

Accessibility & contrast

On white

5.89

#2A63B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2A63B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63B7

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63B7	#FFFFFF	#000000	##FFFFFF
##2A63B7	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#165EB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a63b7;
/* rgb */ color: rgb(42, 99, 183);
/* oklch */ color: oklch(50.8% 0.146 258.4);

Tailwind

colors: {
  custom: {
    50: '#788ecd',
    500: '#2a63b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a63b7;
$custom-light: #788ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63b7",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 215.745,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50789,
    "c": 0.14574,
    "h": 258.4
  },
  "luminance": 0.12835
}

Semantic roles & 50–950 ramp

primary

#2A63B7

secondary

#C9A774

accent

#A442E6

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A63B7

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

Preview Lab → · Contrast checker → · Palette generator →