#2F377D#2F377D

#2F377D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.2% C 0.118 H 274.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F377D
RGB	rgb(47, 55, 125)
HSL	hsl(234, 45%, 34%)
HSV	hsv(234, 62%, 49%)
CMYK	cmyk(62.4%, 56%, 0%, 51%)
CIE-LAB	lab(26.21, 19.77, -40.92)
CIE-LCH	lch(26.21, 45.44, 295.79°)
OKLab	oklab(37.15% 0.0088 -0.1173)
OKLCH	oklch(37.15% 0.118 274.3)
XYZ	xyz(6.2389, 4.8169, 19.9990)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F377D #7D752F

analogous

#2F5E7D #2F377D #4E2F7D

triadic

#2F377D #7D2F37 #377D2F

tetradic

#2F377D #7D2F5E #7D752F #2F7D4E

square

#2F377D #7D2F5E #7D752F #2F7D4E

split-complementary

#2F377D #7D4E2F #5E7D2F

monochromatic

#0E1024 #1E2351 #2F377D #404BA9 #626CC4

Accessibility & contrast

On white

10.70

#2F377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F377D

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F377D	#FFFFFF	#000000	##FFFFFF
##2F377D	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08417F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f377d;
/* rgb */ color: rgb(47, 55, 125);
/* oklch */ color: oklch(37.2% 0.118 274.3);

Tailwind

colors: {
  custom: {
    50: '#706da3',
    500: '#2f377d',
    950: '#000000',
  },
}

SCSS

$custom: #2f377d;
$custom-light: #706da3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f377d",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 233.846,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.11766,
    "h": 274.3
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#2F377D

secondary

#ABA35D

accent

#C853D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F377D

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

Preview Lab → · Contrast checker → · Palette generator →