#2A3C83#2A3C83

#2A3C83 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.121 H 269.3°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C83
RGB	rgb(42, 60, 131)
HSL	hsl(228, 51%, 34%)
HSV	hsv(228, 68%, 51%)
CMYK	cmyk(67.9%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(27.74, 17.65, -42.21)
CIE-LCH	lch(27.74, 45.75, 292.69°)
OKLab	oklab(38.37% -0.0016 -0.1212)
OKLCH	oklch(38.37% 0.121 269.3)
XYZ	xyz(6.6660, 5.3620, 22.1520)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C83 #83712A

analogous

#2A6983 #2A3C83 #452A83

triadic

#2A3C83 #832A3C #3C832A

tetradic

#2A3C83 #832A69 #83712A #2A8345

square

#2A3C83 #832A69 #83712A #2A8345

split-complementary

#2A3C83 #83452A #69832A

monochromatic

#0C1226 #1B2755 #2A3C83 #3951B1 #5D73CB

Accessibility & contrast

On white

10.13

#2A3C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A3C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C83

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C83	#FFFFFF	#000000	##FFFFFF
##2A3C83	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4686

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a3c83;
/* rgb */ color: rgb(42, 60, 131);
/* oklch */ color: oklch(38.4% 0.121 269.3);

Tailwind

colors: {
  custom: {
    50: '#6e71a8',
    500: '#2a3c83',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c83;
$custom-light: #6e71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c83",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 227.865,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38367,
    "c": 0.12121,
    "h": 269.3
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#2A3C83

secondary

#B19F58

accent

#BE4DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2A3C83

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

Preview Lab → · Contrast checker → · Palette generator →