#2F377C#2F377C

#2F377C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.116 H 274.3°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2F377C
RGB	rgb(47, 55, 124)
HSL	hsl(234, 45%, 34%)
HSV	hsv(234, 62%, 49%)
CMYK	cmyk(62.1%, 55.6%, 0%, 51.4%)
CIE-LAB	lab(26.13, 19.40, -40.41)
CIE-LCH	lch(26.13, 44.82, 295.65°)
OKLab	oklab(37.07% 0.0087 -0.1158)
OKLCH	oklch(37.07% 0.116 274.3)
XYZ	xyz(6.1754, 4.7915, 19.6643)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F377C #7C742F

analogous

#2F5D7C #2F377C #4D2F7C

triadic

#2F377C #7C2F37 #377C2F

tetradic

#2F377C #7C2F5D #7C742F #2F7C4D

square

#2F377C #7C2F5D #7C742F #2F7C4D

split-complementary

#2F377C #7C4D2F #5D7C2F

monochromatic

#0D1023 #1E2350 #2F377C #404BA8 #626CC3

Accessibility & contrast

On white

10.72

#2F377C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F377C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F377C

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F377C	#FFFFFF	#000000	##FFFFFF
##2F377C	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B417E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f377c;
/* rgb */ color: rgb(47, 55, 124);
/* oklch */ color: oklch(37.1% 0.116 274.3);

Tailwind

colors: {
  custom: {
    50: '#706da2',
    500: '#2f377c',
    950: '#000000',
  },
}

SCSS

$custom: #2f377c;
$custom-light: #706da2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f377c",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 124
  },
  "hsl": {
    "h": 233.766,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.11616,
    "h": 274.3
  },
  "luminance": 0.04792
}

Semantic roles & 50–950 ramp

primary

#2F377C

secondary

#AAA25C

accent

#C753D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F377C

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

Preview Lab → · Contrast checker → · Palette generator →