#2A379F#2A379F

#2A379F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.167 H 271.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A379F
RGB	rgb(42, 55, 159)
HSL	hsl(233, 58%, 39%)
HSV	hsv(233, 74%, 62%)
CMYK	cmyk(73.6%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(28.71, 31.54, -57.86)
CIE-LCH	lch(28.71, 65.90, 298.60°)
OKLab	oklab(39.81% 0.0028 -0.1672)
OKLCH	oklch(39.81% 0.167 271)
XYZ	xyz(8.5769, 5.7269, 33.4476)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A379F #9F922A

analogous

#2A729F #2A379F #572A9F

triadic

#2A379F #9F2A37 #379F2A

tetradic

#2A379F #9F2A72 #9F922A #2A9F57

square

#2A379F #9F2A72 #9F922A #2A9F57

split-complementary

#2A379F #9F572A #729F2A

monochromatic

#10163E #1D266F #2A379F #3B4BCB #6B77D8

Accessibility & contrast

On white

9.79

#2A379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A379F

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A379F	#FFFFFF	#000000	##FFFFFF
##2A379F	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a379f;
/* rgb */ color: rgb(42, 55, 159);
/* oklch */ color: oklch(39.8% 0.167 271.0);

Tailwind

colors: {
  custom: {
    50: '#756ebc',
    500: '#2a379f',
    950: '#000000',
  },
}

SCSS

$custom: #2a379f;
$custom-light: #756ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a379f",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 233.333,
    "s": 58.209,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39808,
    "c": 0.16723,
    "h": 271
  },
  "luminance": 0.05728
}

Semantic roles & 50–950 ramp

primary

#2A379F

secondary

#BFB566

accent

#D046E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A379F

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

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