#2A45A3#2A45A3

#2A45A3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.155 H 267.3°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2A45A3
RGB	rgb(42, 69, 163)
HSL	hsl(227, 59%, 40%)
HSV	hsv(227, 74%, 64%)
CMYK	cmyk(74.2%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.68, 23.75, -53.79)
CIE-LCH	lch(32.68, 58.80, 293.82°)
OKLab	oklab(42.86% -0.0074 -0.1551)
OKLCH	oklch(42.86% 0.155 267.3)
XYZ	xyz(9.6915, 7.3918, 35.5592)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A45A3 #A3882A

analogous

#2A81A3 #2A45A3 #4C2AA3

triadic

#2A45A3 #A32A45 #45A32A

tetradic

#2A45A3 #A32A81 #A3882A #2AA34C

square

#2A45A3 #A32A81 #A3882A #2AA34C

split-complementary

#2A45A3 #A34C2A #81A32A

monochromatic

#111C42 #1D3072 #2A45A3 #3D5DCD #6E86DA

Accessibility & contrast

On white

8.47

#2A45A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2A45A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A45A3

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A45A3	#FFFFFF	#000000	##FFFFFF
##2A45A3	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2a45a3;
/* rgb */ color: rgb(42, 69, 163);
/* oklch */ color: oklch(42.9% 0.155 267.3);

Tailwind

colors: {
  custom: {
    50: '#7578bf',
    500: '#2a45a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a45a3;
$custom-light: #7578bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a45a3",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 226.612,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42856,
    "c": 0.15531,
    "h": 267.3
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#2A45A3

secondary

#C0AD68

accent

#BF46E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A45A3

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

Preview Lab → · Contrast checker → · Palette generator →