#2D63B3#2D63B3

#2D63B3 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.139 H 258.3°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#2D63B3
RGB	rgb(45, 99, 179)
HSL	hsl(216, 60%, 44%)
HSV	hsv(216, 75%, 70%)
CMYK	cmyk(74.9%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(42.36, 10.46, -47.66)
CIE-LCH	lch(42.36, 48.80, 282.38°)
OKLab	oklab(50.62% -0.0281 -0.1365)
OKLCH	oklch(50.62% 0.139 258.3)
XYZ	xyz(13.6777, 12.7347, 44.3763)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D63B3 #B37D2D

analogous

#2DA6B3 #2D63B3 #3A2DB3

triadic

#2D63B3 #B32D63 #63B32D

tetradic

#2D63B3 #B32DA6 #B37D2D #2DB33A

square

#2D63B3 #B32DA6 #B37D2D #2DB33A

split-complementary

#2D63B3 #B33A2D #A6B32D

monochromatic

#142D51 #214882 #2D63B3 #4B82D2 #7CA4DE

Accessibility & contrast

On white

5.92

#2D63B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2D63B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D63B3

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D63B3	#FFFFFF	#000000	##FFFFFF
##2D63B3	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB6

Deuteranopia (green-blind)

#205EB1

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2d63b3;
/* rgb */ color: rgb(45, 99, 179);
/* oklch */ color: oklch(50.6% 0.139 258.3);

Tailwind

colors: {
  custom: {
    50: '#788eca',
    500: '#2d63b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d63b3;
$custom-light: #788eca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d63b3",
  "rgb": {
    "r": 45,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 215.821,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5062,
    "c": 0.13938,
    "h": 258.3
  },
  "luminance": 0.12736
}

Semantic roles & 50–950 ramp

primary

#2D63B3

secondary

#C7A675

accent

#A345E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2D63B3

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

Preview Lab → · Contrast checker → · Palette generator →