#2F377F#2F377F

#2F377F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.121 H 274.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F377F
RGB	rgb(47, 55, 127)
HSL	hsl(234, 46%, 34%)
HSV	hsv(234, 63%, 50%)
CMYK	cmyk(63%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(26.36, 20.50, -41.93)
CIE-LCH	lch(26.36, 46.68, 296.06°)
OKLab	oklab(37.31% 0.0089 -0.1203)
OKLCH	oklch(37.31% 0.121 274.2)
XYZ	xyz(6.3680, 4.8685, 20.6787)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F377F #7F772F

analogous

#2F5F7F #2F377F #4F2F7F

triadic

#2F377F #7F2F37 #377F2F

tetradic

#2F377F #7F2F5F #7F772F #2F7F4F

square

#2F377F #7F2F5F #7F772F #2F7F4F

split-complementary

#2F377F #7F4F2F #5F7F2F

monochromatic

#0E1026 #1E2452 #2F377F #404AAC #636DC5

Accessibility & contrast

On white

10.64

#2F377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2F377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F377F

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F377F	#FFFFFF	#000000	##FFFFFF
##2F377F	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044281

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f377f;
/* rgb */ color: rgb(47, 55, 127);
/* oklch */ color: oklch(37.3% 0.121 274.2);

Tailwind

colors: {
  custom: {
    50: '#706da5',
    500: '#2f377f',
    950: '#000000',
  },
}

SCSS

$custom: #2f377f;
$custom-light: #706da5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f377f",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 234,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37314,
    "c": 0.12065,
    "h": 274.2
  },
  "luminance": 0.04869
}

Semantic roles & 50–950 ramp

primary

#2F377F

secondary

#ACA45E

accent

#C852D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F377F

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

Preview Lab → · Contrast checker → · Palette generator →