#2A388F#2A388F

#2A388F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.144 H 271.0°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#2A388F
RGB	rgb(42, 56, 143)
HSL	hsl(232, 55%, 36%)
HSV	hsv(232, 71%, 56%)
CMYK	cmyk(70.6%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.58, 24.93, -49.92)
CIE-LCH	lch(27.58, 55.80, 296.54°)
OKLab	oklab(38.54% 0.0026 -0.1439)
OKLCH	oklch(38.54% 0.144 271)
XYZ	xyz(7.3253, 5.3031, 26.6188)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A388F #8F812A

analogous

#2A6B8F #2A388F #4F2A8F

triadic

#2A388F #8F2A38 #388F2A

tetradic

#2A388F #8F2A6B #8F812A #2A8F4F

square

#2A388F #8F2A6B #8F812A #2A8F4F

split-complementary

#2A388F #8F4F2A #6B8F2A

monochromatic

#0E1330 #1C2560 #2A388F #384BBE #6272D1

Accessibility & contrast

On white

10.19

#2A388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2A388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A388F

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A388F	#FFFFFF	#000000	##FFFFFF
##2A388F	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a388f;
/* rgb */ color: rgb(42, 56, 143);
/* oklch */ color: oklch(38.5% 0.144 271.0);

Tailwind

colors: {
  custom: {
    50: '#716eb1',
    500: '#2a388f',
    950: '#000000',
  },
}

SCSS

$custom: #2a388f;
$custom-light: #716eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a388f",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 231.683,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38543,
    "c": 0.14393,
    "h": 271
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary

#2A388F

secondary

#B7AB5E

accent

#C94ADE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A388F

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

Preview Lab → · Contrast checker → · Palette generator →