#2A378D#2A378D

#2A378D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.142 H 271.4°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#2A378D
RGB	rgb(42, 55, 141)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 55%)
CMYK	cmyk(70.2%, 61%, 0%, 44.7%)
CIE-LAB	lab(27.15, 24.85, -49.38)
CIE-LCH	lch(27.15, 55.29, 296.72°)
OKLab	oklab(38.17% 0.0034 -0.1424)
OKLCH	oklch(38.17% 0.142 271.4)
XYZ	xyz(7.1271, 5.1470, 25.8120)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A378D #8D802A

analogous

#2A688D #2A378D #4E2A8D

triadic

#2A378D #8D2A37 #378D2A

tetradic

#2A378D #8D2A68 #8D802A #2A8D4E

square

#2A378D #8D2A68 #8D802A #2A8D4E

split-complementary

#2A378D #8D4E2A #688D2A

monochromatic

#0E122F #1C255E #2A378D #3849BC #6170D0

Accessibility & contrast

On white

10.35

#2A378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2A378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A378D

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A378D	#FFFFFF	#000000	##FFFFFF
##2A378D	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a378d;
/* rgb */ color: rgb(42, 55, 141);
/* oklch */ color: oklch(38.2% 0.142 271.4);

Tailwind

colors: {
  custom: {
    50: '#716daf',
    500: '#2a378d',
    950: '#000000',
  },
}

SCSS

$custom: #2a378d;
$custom-light: #716daf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a378d",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 232.121,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3817,
    "c": 0.1424,
    "h": 271.4
  },
  "luminance": 0.05148
}

Semantic roles & 50–950 ramp

primary

#2A378D

secondary

#B6AA5D

accent

#CA4ADD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A378D

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

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