#2C63B1#2C63B1

#2C63B1 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.4% C 0.137 H 257.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#2C63B1
RGB	rgb(44, 99, 177)
HSL	hsl(215, 60%, 43%)
HSV	hsv(215, 75%, 69%)
CMYK	cmyk(75.1%, 44.1%, 0%, 30.6%)
CIE-LAB	lab(42.20, 9.57, -46.74)
CIE-LCH	lch(42.20, 47.71, 281.57°)
OKLab	oklab(50.45% -0.0292 -0.1338)
OKLCH	oklch(50.45% 0.137 257.7)
XYZ	xyz(13.4335, 12.6320, 43.3167)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63B1 #B17A2C

analogous

#2CA5B1 #2C63B1 #372CB1

triadic

#2C63B1 #B12C63 #63B12C

tetradic

#2C63B1 #B12CA5 #B17A2C #2CB137

square

#2C63B1 #B12CA5 #B17A2C #2CB137

split-complementary

#2C63B1 #B1372C #A5B12C

monochromatic

#142C4F #204880 #2C63B1 #4981D2 #7AA3DE

Accessibility & contrast

On white

5.95

#2C63B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#2C63B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63B1

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63B1	#FFFFFF	#000000	##FFFFFF
##2C63B1	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6AB4

Deuteranopia (green-blind)

#235EAF

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2c63b1;
/* rgb */ color: rgb(44, 99, 177);
/* oklch */ color: oklch(50.4% 0.137 257.7);

Tailwind

colors: {
  custom: {
    50: '#778ec9',
    500: '#2c63b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c63b1;
$custom-light: #778ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63b1",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 177
  },
  "hsl": {
    "h": 215.188,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50449,
    "c": 0.13697,
    "h": 257.7
  },
  "luminance": 0.12633
}

Semantic roles & 50–950 ramp

primary

#2C63B1

secondary

#C6A473

accent

#A244E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2C63B1

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

Preview Lab → · Contrast checker → · Palette generator →