#2C3A8A#2C3A8A

#2C3A8A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.134 H 271.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2C3A8A
RGB	rgb(44, 58, 138)
HSL	hsl(231, 52%, 36%)
HSV	hsv(231, 68%, 54%)
CMYK	cmyk(68.1%, 58%, 0%, 45.9%)
CIE-LAB	lab(27.83, 22.01, -46.41)
CIE-LCH	lch(27.83, 51.36, 295.37°)
OKLab	oklab(38.64% 0.0029 -0.1335)
OKLCH	oklch(38.64% 0.134 271.2)
XYZ	xyz(7.1377, 5.3959, 24.7052)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3A8A #8A7C2C

analogous

#2C698A #2C3A8A #4D2C8A

triadic

#2C3A8A #8A2C3A #3A8A2C

tetradic

#2C3A8A #8A2C69 #8A7C2C #2C8A4D

square

#2C3A8A #8A2C69 #8A7C2C #2C8A4D

split-complementary

#2C3A8A #8A4D2C #698A2C

monochromatic

#0E132D #1D265C #2C3A8A #3B4EB8 #6373CD

Accessibility & contrast

On white

10.10

#2C3A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2C3A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3A8A

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3A8A	#FFFFFF	#000000	##FFFFFF
##2C3A8A	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2c3a8a;
/* rgb */ color: rgb(44, 58, 138);
/* oklch */ color: oklch(38.6% 0.134 271.2);

Tailwind

colors: {
  custom: {
    50: '#7170ad',
    500: '#2c3a8a',
    950: '#000000',
  },
}

SCSS

$custom: #2c3a8a;
$custom-light: #7170ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3a8a",
  "rgb": {
    "r": 44,
    "g": 58,
    "b": 138
  },
  "hsl": {
    "h": 231.064,
    "s": 51.648,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38636,
    "c": 0.13356,
    "h": 271.2
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#2C3A8A

secondary

#B4A75E

accent

#C64DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2C3A8A

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

Preview Lab → · Contrast checker → · Palette generator →