#2B63A9#2B63A9

#2B63A9 is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.9% C 0.126 H 255.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B63A9
RGB	rgb(43, 99, 169)
HSL	hsl(213, 59%, 42%)
HSV	hsv(213, 75%, 66%)
CMYK	cmyk(74.6%, 41.4%, 0%, 33.7%)
CIE-LAB	lab(41.69, 6.40, -42.86)
CIE-LCH	lch(41.69, 43.33, 278.49°)
OKLab	oklab(49.89% -0.0316 -0.1224)
OKLCH	oklch(49.89% 0.126 255.5)
XYZ	xyz(12.6169, 12.3004, 39.2377)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63A9 #A9712B

analogous

#2BA2A9 #2B63A9 #322BA9

triadic

#2B63A9 #A92B63 #63A92B

tetradic

#2B63A9 #A92BA2 #A9712B #2BA932

square

#2B63A9 #A92BA2 #A9712B #2BA932

split-complementary

#2B63A9 #A9322B #A2A92B

monochromatic

#122A47 #1F4678 #2B63A9 #4281CF #73A1DB

Accessibility & contrast

On white

6.07

#2B63A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#2B63A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63A9

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63A9	#FFFFFF	#000000	##FFFFFF
##2B63A9	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4269AC

Deuteranopia (green-blind)

#2D5DA8

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b63a9;
/* rgb */ color: rgb(43, 99, 169);
/* oklch */ color: oklch(49.9% 0.126 255.5);

Tailwind

colors: {
  custom: {
    50: '#758ec3',
    500: '#2b63a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b63a9;
$custom-light: #758ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63a9",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 169
  },
  "hsl": {
    "h": 213.333,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49886,
    "c": 0.12643,
    "h": 255.5
  },
  "luminance": 0.12302
}

Semantic roles & 50–950 ramp

primary

#2B63A9

secondary

#C39D6D

accent

#9D45E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #2B63A9

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

Preview Lab → · Contrast checker → · Palette generator →