#2A63BC#2A63BC

#2A63BC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.152 H 259.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A63BC
RGB	rgb(42, 99, 188)
HSL	hsl(217, 63%, 45%)
HSV	hsv(217, 78%, 74%)
CMYK	cmyk(77.7%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(42.83, 13.52, -52.17)
CIE-LCH	lch(42.83, 53.89, 284.53°)
OKLab	oklab(51.14% -0.0285 -0.1498)
OKLCH	oklch(51.14% 0.152 259.2)
XYZ	xyz(14.4905, 13.0451, 49.3215)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63BC #BC832A

analogous

#2AACBC #2A63BC #3A2ABC

triadic

#2A63BC #BC2A63 #63BC2A

tetradic

#2A63BC #BC2AAC #BC832A #2ABC3A

square

#2A63BC #BC2AAC #BC832A #2ABC3A

split-complementary

#2A63BC #BC3A2A #ACBC2A

monochromatic

#142E58 #1F498A #2A63BC #4C82D7 #7EA5E2

Accessibility & contrast

On white

5.82

#2A63BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2A63BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63BC

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63BC	#FFFFFF	#000000	##FFFFFF
##2A63BC	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326CBF

Deuteranopia (green-blind)

#045FBA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2a63bc;
/* rgb */ color: rgb(42, 99, 188);
/* oklch */ color: oklch(51.1% 0.152 259.2);

Tailwind

colors: {
  custom: {
    50: '#798ed1',
    500: '#2a63bc',
    950: '#000000',
  },
}

SCSS

$custom: #2a63bc;
$custom-light: #798ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63bc",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 216.575,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51138,
    "c": 0.15249,
    "h": 259.2
  },
  "luminance": 0.13047
}

Semantic roles & 50–950 ramp

primary

#2A63BC

secondary

#CBAA77

accent

#A641E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2A63BC

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

Preview Lab → · Contrast checker → · Palette generator →