#2A51AD#2A51AD

#2A51AD is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.1% C 0.154 H 264.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A51AD
RGB	rgb(42, 81, 173)
HSL	hsl(222, 61%, 42%)
HSV	hsv(222, 76%, 68%)
CMYK	cmyk(75.7%, 53.2%, 0%, 32.2%)
CIE-LAB	lab(36.73, 19.56, -53.20)
CIE-LCH	lch(36.73, 56.68, 290.19°)
OKLab	oklab(46.15% -0.0161 -0.1532)
OKLCH	oklch(46.15% 0.154 264)
XYZ	xyz(11.4374, 9.3930, 40.7373)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51AD #AD862A

analogous

#2A93AD #2A51AD #442AAD

triadic

#2A51AD #AD2A51 #51AD2A

tetradic

#2A51AD #AD2A93 #AD862A #2AAD44

square

#2A51AD #AD2A93 #AD862A #2AAD44

split-complementary

#2A51AD #AD442A #93AD2A

monochromatic

#12234B #1E3A7C #2A51AD #436DD1 #7493DD

Accessibility & contrast

On white

7.29

#2A51AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2A51AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A51AD

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51AD	#FFFFFF	#000000	##FFFFFF
##2A51AD	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5DB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2a51ad;
/* rgb */ color: rgb(42, 81, 173);
/* oklch */ color: oklch(46.1% 0.154 264.0);

Tailwind

colors: {
  custom: {
    50: '#7781c6',
    500: '#2a51ad',
    950: '#000000',
  },
}

SCSS

$custom: #2a51ad;
$custom-light: #7781c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51ad",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 173
  },
  "hsl": {
    "h": 222.137,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46148,
    "c": 0.15403,
    "h": 264
  },
  "luminance": 0.09394
}

Semantic roles & 50–950 ramp

primary

#2A51AD

secondary

#C5AB6E

accent

#B444E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A51AD

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

Preview Lab → · Contrast checker → · Palette generator →