#2963B7#2963B7

#2963B7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.8% C 0.146 H 258.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2963B7
RGB	rgb(41, 99, 183)
HSL	hsl(215, 63%, 44%)
HSV	hsv(215, 78%, 72%)
CMYK	cmyk(77.6%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.48, 11.49, -49.82)
CIE-LCH	lch(42.48, 51.13, 282.99°)
OKLab	oklab(50.76% -0.03 -0.1429)
OKLCH	oklch(50.76% 0.146 258.1)
XYZ	xyz(13.9204, 12.8124, 46.5299)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2963B7 #B77D29

analogous

#29AAB7 #2963B7 #3629B7

triadic

#2963B7 #B72963 #63B729

tetradic

#2963B7 #B729AA #B77D29 #29B736

square

#2963B7 #B729AA #B77D29 #29B736

split-complementary

#2963B7 #B73629 #AAB729

monochromatic

#132D53 #1E4885 #2963B7 #4782D6 #79A4E1

Accessibility & contrast

On white

5.89

#2963B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2963B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2963B7

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2963B7	#FFFFFF	#000000	##FFFFFF
##2963B7	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#155EB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2963b7;
/* rgb */ color: rgb(41, 99, 183);
/* oklch */ color: oklch(50.8% 0.146 258.1);

Tailwind

colors: {
  custom: {
    50: '#788ecd',
    500: '#2963b7',
    950: '#000000',
  },
}

SCSS

$custom: #2963b7;
$custom-light: #788ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2963b7",
  "rgb": {
    "r": 41,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 215.493,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50755,
    "c": 0.14603,
    "h": 258.1
  },
  "luminance": 0.12814
}

Semantic roles & 50–950 ramp

primary

#2963B7

secondary

#C9A673

accent

#A341E6

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2963B7

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

Preview Lab → · Contrast checker → · Palette generator →