#2A2F83#2A2F83

#2A2F83 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.139 H 274.3°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F83
RGB	rgb(42, 47, 131)
HSL	hsl(237, 51%, 34%)
HSV	hsv(237, 68%, 51%)
CMYK	cmyk(67.9%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(24.20, 26.53, -47.96)
CIE-LCH	lch(24.20, 54.80, 298.95°)
OKLab	oklab(35.73% 0.0105 -0.1382)
OKLCH	oklch(35.73% 0.139 274.3)
XYZ	xyz(6.0667, 4.1634, 21.9522)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F83 #837E2A

analogous

#2A5C83 #2A2F83 #522A83

triadic

#2A2F83 #832A2F #2F832A

tetradic

#2A2F83 #832A5C #837E2A #2A8352

square

#2A2F83 #832A5C #837E2A #2A8352

split-complementary

#2A2F83 #83522A #5C832A

monochromatic

#0C0E26 #1B1E55 #2A2F83 #3940B1 #5D63CB

Accessibility & contrast

On white

11.46

#2A2F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2A2F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F83

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F83	#FFFFFF	#000000	##FFFFFF
##2A2F83	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a2f83;
/* rgb */ color: rgb(42, 47, 131);
/* oklch */ color: oklch(35.7% 0.139 274.3);

Tailwind

colors: {
  custom: {
    50: '#6f67a8',
    500: '#2a2f83',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f83;
$custom-light: #6f67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f83",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 236.629,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35729,
    "c": 0.13864,
    "h": 274.3
  },
  "luminance": 0.04164
}

Semantic roles & 50–950 ramp

primary

#2A2F83

secondary

#B1AC58

accent

#D34DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A2F83

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

Preview Lab → · Contrast checker → · Palette generator →