#2A379E#2A379E

#2A379E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.166 H 271.0°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A379E
RGB	rgb(42, 55, 158)
HSL	hsl(233, 58%, 39%)
HSV	hsv(233, 73%, 62%)
CMYK	cmyk(73.4%, 65.2%, 0%, 38%)
CIE-LAB	lab(28.62, 31.17, -57.40)
CIE-LCH	lch(28.62, 65.32, 298.51°)
OKLab	oklab(39.71% 0.0029 -0.1659)
OKLCH	oklch(39.71% 0.166 271)
XYZ	xyz(8.4905, 5.6924, 32.9924)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A379E #9E912A

analogous

#2A719E #2A379E #572A9E

triadic

#2A379E #9E2A37 #379E2A

tetradic

#2A379E #9E2A71 #9E912A #2A9E57

square

#2A379E #9E2A71 #9E912A #2A9E57

split-complementary

#2A379E #9E572A #719E2A

monochromatic

#10153D #1D266E #2A379E #3A4BCB #6B77D8

Accessibility & contrast

On white

9.82

#2A379E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A379E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A379E

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A379E	#FFFFFF	#000000	##FFFFFF
##2A379E	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a379e;
/* rgb */ color: rgb(42, 55, 158);
/* oklch */ color: oklch(39.7% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#756ebc',
    500: '#2a379e',
    950: '#000000',
  },
}

SCSS

$custom: #2a379e;
$custom-light: #756ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a379e",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 158
  },
  "hsl": {
    "h": 233.276,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39714,
    "c": 0.16588,
    "h": 271
  },
  "luminance": 0.05693
}

Semantic roles & 50–950 ramp

primary

#2A379E

secondary

#BEB466

accent

#D047E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A379E

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

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