#2A287C#2A287C

#2A287C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.138 H 277.1°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#2A287C
RGB	rgb(42, 40, 124)
HSL	hsl(241, 51%, 32%)
HSV	hsv(241, 68%, 49%)
CMYK	cmyk(66.1%, 67.7%, 0%, 51.4%)
CIE-LAB	lab(21.82, 28.63, -47.44)
CIE-LCH	lch(21.82, 55.41, 301.11°)
OKLab	oklab(33.79% 0.0171 -0.1368)
OKLCH	oklch(33.79% 0.138 277.1)
XYZ	xyz(5.3505, 3.4646, 19.4517)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A287C #7A7C28

analogous

#28507C #2A287C #54287C

triadic

#2A287C #7C2A28 #287C2A

tetradic

#2A287C #7C2850 #7A7C28 #287C54

square

#2A287C #7C2850 #7A7C28 #287C54

split-complementary

#2A287C #7C5428 #507C28

monochromatic

#0B0A1F #1A194E #2A287C #3A37AA #5956C8

Accessibility & contrast

On white

12.40

#2A287C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2A287C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A287C

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A287C	#FFFFFF	#000000	##FFFFFF
##2A287C	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a287c;
/* rgb */ color: rgb(42, 40, 124);
/* oklch */ color: oklch(33.8% 0.138 277.1);

Tailwind

colors: {
  custom: {
    50: '#6e62a3',
    500: '#2a287c',
    950: '#000000',
  },
}

SCSS

$custom: #2a287c;
$custom-light: #6e62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a287c",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 124
  },
  "hsl": {
    "h": 241.429,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33788,
    "c": 0.13783,
    "h": 277.1
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#2A287C

secondary

#ABAD52

accent

#DB4DD7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A287C

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

Preview Lab → · Contrast checker → · Palette generator →