#2F3771#2F3771

#2F3771 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.099 H 274.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F3771
RGB	rgb(47, 55, 113)
HSL	hsl(233, 41%, 31%)
HSV	hsv(233, 58%, 44%)
CMYK	cmyk(58.4%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(25.35, 15.39, -34.70)
CIE-LCH	lch(25.35, 37.95, 293.92°)
OKLab	oklab(36.23% 0.0077 -0.099)
OKLCH	oklch(36.23% 0.099 274.4)
XYZ	xyz(5.5182, 4.5286, 16.2029)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3771 #71692F

analogous

#2F5871 #2F3771 #482F71

triadic

#2F3771 #712F37 #37712F

tetradic

#2F3771 #712F58 #71692F #2F7148

square

#2F3771 #712F58 #71692F #2F7148

split-complementary

#2F3771 #71482F #58712F

monochromatic

#0B0D1B #1D2246 #2F3771 #414C9C #5E6ABC

Accessibility & contrast

On white

11.02

#2F3771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2F3771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3771

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3771	#FFFFFF	#000000	##FFFFFF
##2F3771	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3F73

Deuteranopia (green-blind)

#113970

Tritanopia (blue-blind)

#0B444E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f3771;
/* rgb */ color: rgb(47, 55, 113);
/* oklch */ color: oklch(36.2% 0.099 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e6d9a',
    500: '#2f3771',
    950: '#000000',
  },
}

SCSS

$custom: #2f3771;
$custom-light: #6e6d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3771",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 232.727,
    "s": 41.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36231,
    "c": 0.09933,
    "h": 274.4
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#2F3771

secondary

#A2995A

accent

#C257D1

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2F3771

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

Preview Lab → · Contrast checker → · Palette generator →