#2A40AF#2A40AF

#2A40AF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.178 H 268.8°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2A40AF
RGB	rgb(42, 64, 175)
HSL	hsl(230, 61%, 43%)
HSV	hsv(230, 76%, 69%)
CMYK	cmyk(76%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(32.38, 31.57, -61.48)
CIE-LCH	lch(32.38, 69.11, 297.18°)
OKLab	oklab(42.94% -0.0038 -0.1777)
OKLCH	oklch(42.94% 0.178 268.8)
XYZ	xyz(10.5234, 7.2530, 41.3945)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A40AF #AF992A

analogous

#2A83AF #2A40AF #562AAF

triadic

#2A40AF #AF2A40 #40AF2A

tetradic

#2A40AF #AF2A83 #AF992A #2AAF56

square

#2A40AF #AF2A83 #AF992A #2AAF56

split-complementary

#2A40AF #AF562A #83AF2A

monochromatic

#121C4C #1E2E7E #2A40AF #445CD2 #7587DE

Accessibility & contrast

On white

8.57

#2A40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2A40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A40AF

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A40AF	#FFFFFF	#000000	##FFFFFF
##2A40AF	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a40af;
/* rgb */ color: rgb(42, 64, 175);
/* oklch */ color: oklch(42.9% 0.178 268.8);

Tailwind

colors: {
  custom: {
    50: '#7874c8',
    500: '#2a40af',
    950: '#000000',
  },
}

SCSS

$custom: #2a40af;
$custom-light: #7874c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a40af",
  "rgb": {
    "r": 42,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 230.075,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42938,
    "c": 0.17778,
    "h": 268.8
  },
  "luminance": 0.07254
}

Semantic roles & 50–950 ramp

primary

#2A40AF

secondary

#C6B76F

accent

#CA43E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A40AF

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

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