#2A3A84#2A3A84

#2A3A84 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.125 H 270.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A84
RGB	rgb(42, 58, 132)
HSL	hsl(229, 52%, 34%)
HSV	hsv(229, 68%, 52%)
CMYK	cmyk(68.2%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(27.25, 19.41, -43.63)
CIE-LCH	lch(27.25, 47.75, 293.98°)
OKLab	oklab(38.02% 0.0004 -0.1254)
OKLCH	oklch(38.02% 0.125 270.2)
XYZ	xyz(6.6313, 5.1837, 22.4764)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A84 #84742A

analogous

#2A6784 #2A3A84 #472A84

triadic

#2A3A84 #842A3A #3A842A

tetradic

#2A3A84 #842A67 #84742A #2A8447

square

#2A3A84 #842A67 #84742A #2A8447

split-complementary

#2A3A84 #84472A #67842A

monochromatic

#0C1127 #1B2656 #2A3A84 #394EB2 #5D71CB

Accessibility & contrast

On white

10.31

#2A3A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2A3A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A84

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A84	#FFFFFF	#000000	##FFFFFF
##2A3A84	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034587

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3a84;
/* rgb */ color: rgb(42, 58, 132);
/* oklch */ color: oklch(38.0% 0.125 270.2);

Tailwind

colors: {
  custom: {
    50: '#6f6fa8',
    500: '#2a3a84',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a84;
$custom-light: #6f6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a84",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 229.333,
    "s": 51.724,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38021,
    "c": 0.1254,
    "h": 270.2
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#2A3A84

secondary

#B1A159

accent

#C24DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3A84

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

Preview Lab → · Contrast checker → · Palette generator →