#2D377D#2D377D

#2D377D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.118 H 273.1°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2D377D
RGB	rgb(45, 55, 125)
HSL	hsl(233, 47%, 33%)
HSV	hsv(233, 64%, 49%)
CMYK	cmyk(64%, 56%, 0%, 51%)
CIE-LAB	lab(26.07, 19.38, -41.14)
CIE-LCH	lch(26.07, 45.48, 295.22°)
OKLab	oklab(37.02% 0.0064 -0.118)
OKLCH	oklch(37.02% 0.118 273.1)
XYZ	xyz(6.1488, 4.7704, 19.9948)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D377D #7D732D

analogous

#2D5F7D #2D377D #4B2D7D

triadic

#2D377D #7D2D37 #377D2D

tetradic

#2D377D #7D2D5F #7D732D #2D7D4B

square

#2D377D #7D2D5F #7D732D #2D7D4B

split-complementary

#2D377D #7D4B2D #5F7D2D

monochromatic

#0D0F23 #1D2350 #2D377D #3D4BAA #5F6CC5

Accessibility & contrast

On white

10.75

#2D377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2D377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D377D

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D377D	#FFFFFF	#000000	##FFFFFF
##2D377D	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07417F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d377d;
/* rgb */ color: rgb(45, 55, 125);
/* oklch */ color: oklch(37.0% 0.118 273.1);

Tailwind

colors: {
  custom: {
    50: '#6f6da3',
    500: '#2d377d',
    950: '#000000',
  },
}

SCSS

$custom: #2d377d;
$custom-light: #6f6da3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d377d",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 232.5,
    "s": 47.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37016,
    "c": 0.11822,
    "h": 273.1
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#2D377D

secondary

#ACA25A

accent

#C651D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D377D

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

Preview Lab → · Contrast checker → · Palette generator →