#2A63B8#2A63B8

#2A63B8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.147 H 258.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A63B8
RGB	rgb(42, 99, 184)
HSL	hsl(216, 63%, 44%)
HSV	hsv(216, 77%, 72%)
CMYK	cmyk(77.2%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.57, 11.99, -50.25)
CIE-LCH	lch(42.57, 51.66, 283.42°)
OKLab	oklab(50.86% -0.0292 -0.1442)
OKLCH	oklch(50.86% 0.147 258.5)
XYZ	xyz(14.0653, 12.8750, 47.0819)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63B8 #B87F2A

analogous

#2AAAB8 #2A63B8 #382AB8

triadic

#2A63B8 #B82A63 #63B82A

tetradic

#2A63B8 #B82AAA #B87F2A #2AB838

square

#2A63B8 #B82AAA #B87F2A #2AB838

split-complementary

#2A63B8 #B8382A #AAB82A

monochromatic

#132D54 #1F4886 #2A63B8 #4A82D6 #7BA4E1

Accessibility & contrast

On white

5.87

#2A63B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2A63B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63B8

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63B8	#FFFFFF	#000000	##FFFFFF
##2A63B8	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366BBB

Deuteranopia (green-blind)

#135EB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2a63b8;
/* rgb */ color: rgb(42, 99, 184);
/* oklch */ color: oklch(50.9% 0.147 258.5);

Tailwind

colors: {
  custom: {
    50: '#788ece',
    500: '#2a63b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a63b8;
$custom-light: #788ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63b8",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 215.915,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50858,
    "c": 0.14709,
    "h": 258.5
  },
  "luminance": 0.12877
}

Semantic roles & 50–950 ramp

primary

#2A63B8

secondary

#C9A775

accent

#A442E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A63B8

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

Preview Lab → · Contrast checker → · Palette generator →