#2A2F80#2A2F80

#2A2F80 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.134 H 274.5°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F80
RGB	rgb(42, 47, 128)
HSL	hsl(237, 51%, 33%)
HSV	hsv(237, 67%, 50%)
CMYK	cmyk(67.2%, 63.3%, 0%, 49.8%)
CIE-LAB	lab(23.94, 25.42, -46.49)
CIE-LCH	lch(23.94, 52.99, 298.67°)
OKLab	oklab(35.46% 0.0106 -0.134)
OKLCH	oklch(35.46% 0.134 274.5)
XYZ	xyz(5.8664, 4.0833, 20.8969)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F80 #807B2A

analogous

#2A5A80 #2A2F80 #502A80

triadic

#2A2F80 #802A2F #2F802A

tetradic

#2A2F80 #802A5A #807B2A #2A8050

square

#2A2F80 #802A5A #807B2A #2A8050

split-complementary

#2A2F80 #80502A #5A802A

monochromatic

#0C0D24 #1B1E52 #2A2F80 #3940AE #5B62C9

Accessibility & contrast

On white

11.56

#2A2F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2A2F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F80

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F80	#FFFFFF	#000000	##FFFFFF
##2A2F80	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D83

Deuteranopia (green-blind)

#00357E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a2f80;
/* rgb */ color: rgb(42, 47, 128);
/* oklch */ color: oklch(35.5% 0.134 274.5);

Tailwind

colors: {
  custom: {
    50: '#6f67a6',
    500: '#2a2f80',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f80;
$custom-light: #6f67a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f80",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 128
  },
  "hsl": {
    "h": 236.512,
    "s": 50.588,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35457,
    "c": 0.13437,
    "h": 274.5
  },
  "luminance": 0.04084
}

Semantic roles & 50–950 ramp

primary

#2A2F80

secondary

#AFAA57

accent

#D24EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A2F80

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

Preview Lab → · Contrast checker → · Palette generator →