#2A2F8D#2A2F8D

#2A2F8D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.153 H 273.7°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F8D
RGB	rgb(42, 47, 141)
HSL	hsl(237, 54%, 36%)
HSV	hsv(237, 70%, 55%)
CMYK	cmyk(70.2%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(25.10, 30.19, -52.73)
CIE-LCH	lch(25.10, 60.76, 299.79°)
OKLab	oklab(36.66% 0.0098 -0.1522)
OKLCH	oklch(36.66% 0.153 273.7)
XYZ	xyz(6.7775, 4.4477, 25.6955)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F8D #8D882A

analogous

#2A608D #2A2F8D #562A8D

triadic

#2A2F8D #8D2A2F #2F8D2A

tetradic

#2A2F8D #8D2A60 #8D882A #2A8D56

square

#2A2F8D #8D2A60 #8D882A #2A8D56

split-complementary

#2A2F8D #8D562A #608D2A

monochromatic

#0E102F #1C1F5E #2A2F8D #383FBC #6167D0

Accessibility & contrast

On white

11.11

#2A2F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2A2F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F8D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F8D	#FFFFFF	#000000	##FFFFFF
##2A2F8D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a2f8d;
/* rgb */ color: rgb(42, 47, 141);
/* oklch */ color: oklch(36.7% 0.153 273.7);

Tailwind

colors: {
  custom: {
    50: '#7268af',
    500: '#2a2f8d',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f8d;
$custom-light: #7268af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f8d",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 236.97,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36661,
    "c": 0.15257,
    "h": 273.7
  },
  "luminance": 0.04448
}

Semantic roles & 50–950 ramp

primary

#2A2F8D

secondary

#B6B15D

accent

#D64ADD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2A2F8D

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

Preview Lab → · Contrast checker → · Palette generator →