#2A45A9#2A45A9

#2A45A9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.164 H 267.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2A45A9
RGB	rgb(42, 69, 169)
HSL	hsl(227, 60%, 41%)
HSV	hsv(227, 75%, 66%)
CMYK	cmyk(75.1%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(33.16, 26.03, -56.61)
CIE-LCH	lch(33.16, 62.31, 294.69°)
OKLab	oklab(43.36% -0.0072 -0.1634)
OKLCH	oklch(43.36% 0.164 267.5)
XYZ	xyz(10.2419, 7.6119, 38.4579)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A45A9 #A98E2A

analogous

#2A85A9 #2A45A9 #4F2AA9

triadic

#2A45A9 #A92A45 #45A92A

tetradic

#2A45A9 #A92A85 #A98E2A #2AA94F

square

#2A45A9 #A92A85 #A98E2A #2AA94F

split-complementary

#2A45A9 #A94F2A #85A92A

monochromatic

#121D47 #1E3178 #2A45A9 #415FD0 #7288DC

Accessibility & contrast

On white

8.32

#2A45A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2A45A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A45A9

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A45A9	#FFFFFF	#000000	##FFFFFF
##2A45A9	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AC

Deuteranopia (green-blind)

#0048A7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2a45a9;
/* rgb */ color: rgb(42, 69, 169);
/* oklch */ color: oklch(43.4% 0.164 267.5);

Tailwind

colors: {
  custom: {
    50: '#7678c3',
    500: '#2a45a9',
    950: '#000000',
  },
}

SCSS

$custom: #2a45a9;
$custom-light: #7678c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a45a9",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 227.244,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43364,
    "c": 0.16358,
    "h": 267.5
  },
  "luminance": 0.07613
}

Semantic roles & 50–950 ramp

primary

#2A45A9

secondary

#C3B06C

accent

#C244E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A45A9

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

Preview Lab → · Contrast checker → · Palette generator →