#2F377E#2F377E

#2F377E is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.2% C 0.119 H 274.2°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F377E
RGB	rgb(47, 55, 126)
HSL	hsl(234, 46%, 34%)
HSV	hsv(234, 63%, 49%)
CMYK	cmyk(62.7%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(26.28, 20.14, -41.43)
CIE-LCH	lch(26.28, 46.06, 295.92°)
OKLab	oklab(37.23% 0.0088 -0.1188)
OKLCH	oklch(37.23% 0.119 274.2)
XYZ	xyz(6.3031, 4.8426, 20.3372)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F377E #7E762F

analogous

#2F5F7E #2F377E #4F2F7E

triadic

#2F377E #7E2F37 #377E2F

tetradic

#2F377E #7E2F5F #7E762F #2F7E4F

square

#2F377E #7E2F5F #7E762F #2F7E4F

split-complementary

#2F377E #7E4F2F #5F7E2F

monochromatic

#0E1025 #1E2451 #2F377E #404AAB #636DC5

Accessibility & contrast

On white

10.67

#2F377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2F377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F377E

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F377E	#FFFFFF	#000000	##FFFFFF
##2F377E	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064280

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f377e;
/* rgb */ color: rgb(47, 55, 126);
/* oklch */ color: oklch(37.2% 0.119 274.2);

Tailwind

colors: {
  custom: {
    50: '#706da4',
    500: '#2f377e',
    950: '#000000',
  },
}

SCSS

$custom: #2f377e;
$custom-light: #706da4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f377e",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 233.924,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37233,
    "c": 0.11916,
    "h": 274.2
  },
  "luminance": 0.04843
}

Semantic roles & 50–950 ramp

primary

#2F377E

secondary

#ACA45D

accent

#C852D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F377E

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

Preview Lab → · Contrast checker → · Palette generator →