#2D3379#2D3379

#2D3379 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.9% C 0.118 H 275.1°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#2D3379
RGB	rgb(45, 51, 121)
HSL	hsl(235, 46%, 33%)
HSV	hsv(235, 63%, 47%)
CMYK	cmyk(62.8%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(24.66, 20.65, -40.90)
CIE-LCH	lch(24.66, 45.82, 296.79°)
OKLab	oklab(35.86% 0.0104 -0.1174)
OKLCH	oklch(35.86% 0.118 275.1)
XYZ	xyz(5.7161, 4.3056, 18.6153)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3379 #79732D

analogous

#2D5979 #2D3379 #4D2D79

triadic

#2D3379 #792D33 #33792D

tetradic

#2D3379 #792D59 #79732D #2D794D

square

#2D3379 #792D59 #79732D #2D794D

split-complementary

#2D3379 #794D2D #59792D

monochromatic

#0C0D20 #1C204C #2D3379 #3E46A6 #5D65C3

Accessibility & contrast

On white

11.28

#2D3379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2D3379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3379

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3379	#FFFFFF	#000000	##FFFFFF
##2D3379	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7B

Deuteranopia (green-blind)

#003778

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d3379;
/* rgb */ color: rgb(45, 51, 121);
/* oklch */ color: oklch(35.9% 0.118 275.1);

Tailwind

colors: {
  custom: {
    50: '#6e6aa0',
    500: '#2d3379',
    950: '#000000',
  },
}

SCSS

$custom: #2d3379;
$custom-light: #6e6aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3379",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 235.263,
    "s": 45.783,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35861,
    "c": 0.11785,
    "h": 275.1
  },
  "luminance": 0.04306
}

Semantic roles & 50–950 ramp

primary

#2D3379

secondary

#A9A358

accent

#CB52D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2D3379

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

Preview Lab → · Contrast checker → · Palette generator →