#2A378E#2A378E

#2A378E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.144 H 271.4°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2A378E
RGB	rgb(42, 55, 142)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 56%)
CMYK	cmyk(70.4%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(27.23, 25.23, -49.87)
CIE-LCH	lch(27.23, 55.89, 296.84°)
OKLab	oklab(38.26% 0.0034 -0.1438)
OKLCH	oklch(38.26% 0.144 271.4)
XYZ	xyz(7.2019, 5.1769, 26.2056)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A378E #8E812A

analogous

#2A698E #2A378E #4F2A8E

triadic

#2A378E #8E2A37 #378E2A

tetradic

#2A378E #8E2A69 #8E812A #2A8E4F

square

#2A378E #8E2A69 #8E812A #2A8E4F

split-complementary

#2A378E #8E4F2A #698E2A

monochromatic

#0E1230 #1C255F #2A378E #3849BD #6270D1

Accessibility & contrast

On white

10.32

#2A378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2A378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A378E

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A378E	#FFFFFF	#000000	##FFFFFF
##2A378E	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a378e;
/* rgb */ color: rgb(42, 55, 142);
/* oklch */ color: oklch(38.3% 0.144 271.4);

Tailwind

colors: {
  custom: {
    50: '#716db0',
    500: '#2a378e',
    950: '#000000',
  },
}

SCSS

$custom: #2a378e;
$custom-light: #716db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a378e",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 232.2,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38258,
    "c": 0.14382,
    "h": 271.4
  },
  "luminance": 0.05178
}

Semantic roles & 50–950 ramp

primary

#2A378E

secondary

#B6AB5D

accent

#CB4ADE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A378E

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

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