#2D377E#2D377E

#2D377E is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.120 H 273.1°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D377E
RGB	rgb(45, 55, 126)
HSL	hsl(233, 47%, 34%)
HSV	hsv(233, 64%, 49%)
CMYK	cmyk(64.3%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(26.15, 19.75, -41.65)
CIE-LCH	lch(26.15, 46.10, 295.37°)
OKLab	oklab(37.1% 0.0064 -0.1195)
OKLCH	oklch(37.1% 0.12 273.1)
XYZ	xyz(6.2130, 4.7961, 20.3329)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D377E #7E742D

analogous

#2D5F7E #2D377E #4B2D7E

triadic

#2D377E #7E2D37 #377E2D

tetradic

#2D377E #7E2D5F #7E742D #2D7E4B

square

#2D377E #7E2D5F #7E742D #2D7E4B

split-complementary

#2D377E #7E4B2D #5F7E2D

monochromatic

#0D1024 #1D2351 #2D377E #3D4BAB #5F6CC6

Accessibility & contrast

On white

10.72

#2D377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2D377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D377E

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D377E	#FFFFFF	#000000	##FFFFFF
##2D377E	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)

#054280

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d377e;
/* rgb */ color: rgb(45, 55, 126);
/* oklch */ color: oklch(37.1% 0.120 273.1);

Tailwind

colors: {
  custom: {
    50: '#6f6da4',
    500: '#2d377e',
    950: '#000000',
  },
}

SCSS

$custom: #2d377e;
$custom-light: #6f6da4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d377e",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 232.593,
    "s": 47.368,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37096,
    "c": 0.11971,
    "h": 273.1
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#2D377E

secondary

#ACA25A

accent

#C651D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D377E

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

Preview Lab → · Contrast checker → · Palette generator →