#2A63B9#2A63B9

#2A63B9 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.148 H 258.7°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A63B9
RGB	rgb(42, 99, 185)
HSL	hsl(216, 63%, 45%)
HSV	hsv(216, 77%, 73%)
CMYK	cmyk(77.3%, 46.5%, 0%, 27.5%)
CIE-LAB	lab(42.64, 12.38, -50.73)
CIE-LCH	lch(42.64, 52.22, 283.71°)
OKLab	oklab(50.93% -0.029 -0.1456)
OKLCH	oklch(50.93% 0.148 258.7)
XYZ	xyz(14.1704, 12.9171, 47.6359)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A63B9 #B9802A

analogous

#2AABB9 #2A63B9 #392AB9

triadic

#2A63B9 #B92A63 #63B92A

tetradic

#2A63B9 #B92AAB #B9802A #2AB939

square

#2A63B9 #B92AAB #B9802A #2AB939

split-complementary

#2A63B9 #B9392A #ABB92A

monochromatic

#132E55 #1F4887 #2A63B9 #4A82D6 #7CA4E1

Accessibility & contrast

On white

5.86

#2A63B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2A63B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A63B9

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A63B9	#FFFFFF	#000000	##FFFFFF
##2A63B9	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBC

Deuteranopia (green-blind)

#105FB7

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2a63b9;
/* rgb */ color: rgb(42, 99, 185);
/* oklch */ color: oklch(50.9% 0.148 258.7);

Tailwind

colors: {
  custom: {
    50: '#798ece',
    500: '#2a63b9',
    950: '#000000',
  },
}

SCSS

$custom: #2a63b9;
$custom-light: #798ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2a63b9",
  "rgb": {
    "r": 42,
    "g": 99,
    "b": 185
  },
  "hsl": {
    "h": 216.084,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50928,
    "c": 0.14844,
    "h": 258.7
  },
  "luminance": 0.12919
}

Semantic roles & 50–950 ramp

primary

#2A63B9

secondary

#CAA875

accent

#A542E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A63B9

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

Preview Lab → · Contrast checker → · Palette generator →