#2F427B#2F427B

#2F427B is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.099 H 267.8°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F427B
RGB	rgb(47, 66, 123)
HSL	hsl(225, 45%, 33%)
HSV	hsv(225, 62%, 48%)
CMYK	cmyk(61.8%, 46.3%, 0%, 51.8%)
CIE-LAB	lab(29.24, 11.51, -34.79)
CIE-LCH	lch(29.24, 36.65, 288.30°)
OKLab	oklab(39.41% -0.0038 -0.0992)
OKLCH	oklch(39.41% 0.099 267.8)
XYZ	xyz(6.6944, 5.9303, 19.5269)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F427B #7B682F

analogous

#2F687B #2F427B #422F7B

triadic

#2F427B #7B2F42 #427B2F

tetradic

#2F427B #7B2F68 #7B682F #2F7B42

square

#2F427B #7B2F68 #7B682F #2F7B42

split-complementary

#2F427B #7B422F #687B2F

monochromatic

#0D1222 #1E2A4F #2F427B #405AA7 #627AC3

Accessibility & contrast

On white

9.61

#2F427B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F427B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F427B

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F427B	#FFFFFF	#000000	##FFFFFF
##2F427B	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28497D

Deuteranopia (green-blind)

#1D427A

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f427b;
/* rgb */ color: rgb(47, 66, 123);
/* oklch */ color: oklch(39.4% 0.099 267.8);

Tailwind

colors: {
  custom: {
    50: '#6f76a1',
    500: '#2f427b',
    950: '#000000',
  },
}

SCSS

$custom: #2f427b;
$custom-light: #6f76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f427b",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 225,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39406,
    "c": 0.09925,
    "h": 267.8
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#2F427B

secondary

#AA965C

accent

#B453D4

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F427B

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

Preview Lab → · Contrast checker → · Palette generator →