#2A45B3#2A45B3

#2A45B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.177 H 267.7°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A45B3
RGB	rgb(42, 69, 179)
HSL	hsl(228, 62%, 43%)
HSV	hsv(228, 77%, 70%)
CMYK	cmyk(76.5%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(33.99, 29.79, -61.22)
CIE-LCH	lch(33.99, 68.09, 295.95°)
OKLab	oklab(44.24% -0.0071 -0.1769)
OKLCH	oklch(44.24% 0.177 267.7)
XYZ	xyz(11.2168, 8.0019, 43.5924)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A45B3 #B3982A

analogous

#2A89B3 #2A45B3 #532AB3

triadic

#2A45B3 #B32A45 #45B32A

tetradic

#2A45B3 #B32A89 #B3982A #2AB353

square

#2A45B3 #B32A89 #B3982A #2AB353

split-complementary

#2A45B3 #B3532A #89B32A

monochromatic

#131F50 #1E3281 #2A45B3 #4662D4 #788CDF

Accessibility & contrast

On white

8.08

#2A45B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2A45B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A45B3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A45B3	#FFFFFF	#000000	##FFFFFF
##2A45B3	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a45b3;
/* rgb */ color: rgb(42, 69, 179);
/* oklch */ color: oklch(44.2% 0.177 267.7);

Tailwind

colors: {
  custom: {
    50: '#7978cb',
    500: '#2a45b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a45b3;
$custom-light: #7978cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a45b3",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 228.175,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44236,
    "c": 0.17708,
    "h": 267.7
  },
  "luminance": 0.08003
}

Semantic roles & 50–950 ramp

primary

#2A45B3

secondary

#C7B672

accent

#C543E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2A45B3

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

Preview Lab → · Contrast checker → · Palette generator →