#2F3E63#2F3E63

#2F3E63 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 36.9% C 0.067 H 266.4°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E63
RGB	rgb(47, 62, 99)
HSL	hsl(223, 36%, 29%)
HSV	hsv(223, 53%, 39%)
CMYK	cmyk(52.5%, 37.4%, 0%, 61.2%)
CIE-LAB	lab(26.59, 5.57, -23.73)
CIE-LCH	lch(26.59, 24.38, 283.21°)
OKLab	oklab(36.91% -0.0042 -0.0669)
OKLCH	oklch(36.91% 0.067 266.4)
XYZ	xyz(5.1463, 4.9501, 12.4862)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E63 #63542F

analogous

#2F5863 #2F3E63 #3A2F63

triadic

#2F3E63 #632F3E #3E632F

tetradic

#2F3E63 #632F58 #63542F #2F633A

square

#2F3E63 #632F58 #63542F #2F633A

split-complementary

#2F3E63 #633A2F #58632F

monochromatic

#0A0D15 #1B2439 #2F3E63 #43588C #5B74B1

Accessibility & contrast

On white

10.55

#2F3E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F3E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E63

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E63	#FFFFFF	#000000	##FFFFFF
##2F3E63	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304165

Deuteranopia (green-blind)

#2A3D62

Tritanopia (blue-blind)

#19464C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3e63;
/* rgb */ color: rgb(47, 62, 99);
/* oklch */ color: oklch(36.9% 0.067 266.4);

Tailwind

colors: {
  custom: {
    50: '#6b738f',
    500: '#2f3e63',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e63;
$custom-light: #6b738f;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e63",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 99
  },
  "hsl": {
    "h": 222.692,
    "s": 35.616,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36905,
    "c": 0.067,
    "h": 266.4
  },
  "luminance": 0.0495
}

Semantic roles & 50–950 ramp

primary

#2F3E63

secondary

#958359

accent

#AB5CCC

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #2F3E63

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

Preview Lab → · Contrast checker → · Palette generator →