#2B63B3#2B63B3

#2B63B3 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.5% C 0.140 H 257.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B63B3
RGB	rgb(43, 99, 179)
HSL	hsl(215, 61%, 44%)
HSV	hsv(215, 76%, 70%)
CMYK	cmyk(76%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(42.29, 10.20, -47.77)
CIE-LCH	lch(42.29, 48.85, 282.06°)
OKLab	oklab(50.55% -0.0295 -0.1369)
OKLCH	oklch(50.55% 0.14 257.8)
XYZ	xyz(13.5918, 12.6904, 44.3722)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63B3 #B37B2B

analogous

#2BA7B3 #2B63B3 #372BB3

triadic

#2B63B3 #B32B63 #63B32B

tetradic

#2B63B3 #B32BA7 #B37B2B #2BB337

square

#2B63B3 #B32BA7 #B37B2B #2BB337

split-complementary

#2B63B3 #B3372B #A7B32B

monochromatic

#132C50 #1F4882 #2B63B3 #4881D3 #79A3DF

Accessibility & contrast

On white

5.93

#2B63B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#2B63B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63B3

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63B3	#FFFFFF	#000000	##FFFFFF
##2B63B3	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB6

Deuteranopia (green-blind)

#1F5EB1

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b63b3;
/* rgb */ color: rgb(43, 99, 179);
/* oklch */ color: oklch(50.5% 0.140 257.8);

Tailwind

colors: {
  custom: {
    50: '#788eca',
    500: '#2b63b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b63b3;
$custom-light: #788eca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63b3",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 215.294,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50549,
    "c": 0.14001,
    "h": 257.8
  },
  "luminance": 0.12692
}

Semantic roles & 50–950 ramp

primary

#2B63B3

secondary

#C7A473

accent

#A243E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B63B3

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

Preview Lab → · Contrast checker → · Palette generator →