#2A287E#2A287E

#2A287E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.141 H 276.9°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#2A287E
RGB	rgb(42, 40, 126)
HSL	hsl(241, 52%, 33%)
HSV	hsv(241, 68%, 49%)
CMYK	cmyk(66.7%, 68.3%, 0%, 50.6%)
CIE-LAB	lab(22.00, 29.34, -48.41)
CIE-LCH	lch(22.00, 56.60, 301.22°)
OKLab	oklab(33.98% 0.0169 -0.1396)
OKLCH	oklch(33.98% 0.141 276.9)
XYZ	xyz(5.4783, 3.5157, 20.1245)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A287E #7C7E28

analogous

#28517E #2A287E #55287E

triadic

#2A287E #7E2A28 #287E2A

tetradic

#2A287E #7E2851 #7C7E28 #287E55

square

#2A287E #7E2851 #7C7E28 #287E55

split-complementary

#2A287E #7E5528 #517E28

monochromatic

#0B0B21 #1B1950 #2A287E #3937AC #5957CA

Accessibility & contrast

On white

12.33

#2A287E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2A287E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A287E

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A287E	#FFFFFF	#000000	##FFFFFF
##2A287E	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a287e;
/* rgb */ color: rgb(42, 40, 126);
/* oklch */ color: oklch(34.0% 0.141 276.9);

Tailwind

colors: {
  custom: {
    50: '#6f62a4',
    500: '#2a287e',
    950: '#000000',
  },
}

SCSS

$custom: #2a287e;
$custom-light: #6f62a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a287e",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 126
  },
  "hsl": {
    "h": 241.395,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.14061,
    "h": 276.9
  },
  "luminance": 0.03516
}

Semantic roles & 50–950 ramp

primary

#2A287E

secondary

#ADAF53

accent

#DB4DD8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A287E

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

Preview Lab → · Contrast checker → · Palette generator →