#2D377B#2D377B

#2D377B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.9% C 0.115 H 273.1°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#2D377B
RGB	rgb(45, 55, 123)
HSL	hsl(232, 46%, 33%)
HSV	hsv(232, 63%, 48%)
CMYK	cmyk(63.4%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(25.92, 18.64, -40.13)
CIE-LCH	lch(25.92, 44.24, 294.91°)
OKLab	oklab(36.86% 0.0063 -0.115)
OKLCH	oklch(36.86% 0.115 273.1)
XYZ	xyz(6.0223, 4.7198, 19.3287)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D377B #7B712D

analogous

#2D5E7B #2D377B #4A2D7B

triadic

#2D377B #7B2D37 #377B2D

tetradic

#2D377B #7B2D5E #7B712D #2D7B4A

square

#2D377B #7B2D5E #7B712D #2D7B4A

split-complementary

#2D377B #7B4A2D #5E7B2D

monochromatic

#0C0F21 #1D234E #2D377B #3D4BA8 #5E6BC4

Accessibility & contrast

On white

10.80

#2D377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2D377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D377B

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D377B	#FFFFFF	#000000	##FFFFFF
##2D377B	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C417D

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d377b;
/* rgb */ color: rgb(45, 55, 123);
/* oklch */ color: oklch(36.9% 0.115 273.1);

Tailwind

colors: {
  custom: {
    50: '#6e6da2',
    500: '#2d377b',
    950: '#000000',
  },
}

SCSS

$custom: #2d377b;
$custom-light: #6e6da2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d377b",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 232.308,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36856,
    "c": 0.11522,
    "h": 273.1
  },
  "luminance": 0.0472
}

Semantic roles & 50–950 ramp

primary

#2D377B

secondary

#ABA059

accent

#C552D6

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D377B

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

Preview Lab → · Contrast checker → · Palette generator →