#2D379D#2D379D

#2D379D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.164 H 272.2°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D379D
RGB	rgb(45, 55, 157)
HSL	hsl(235, 55%, 40%)
HSV	hsv(235, 71%, 62%)
CMYK	cmyk(71.3%, 65%, 0%, 38.4%)
CIE-LAB	lab(28.70, 31.18, -56.65)
CIE-LCH	lch(28.70, 64.66, 298.83°)
OKLab	oklab(39.79% 0.0062 -0.1636)
OKLCH	oklch(39.79% 0.164 272.2)
XYZ	xyz(8.5321, 5.7238, 32.5469)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D379D #9D932D

analogous

#2D6F9D #2D379D #5B2D9D

triadic

#2D379D #9D2D37 #379D2D

tetradic

#2D379D #9D2D6F #9D932D #2D9D5B

square

#2D379D #9D2D6F #9D932D #2D9D5B

split-complementary

#2D379D #9D5B2D #6F9D2D

monochromatic

#12163E #1F266D #2D379D #3F4BC8 #6F78D6

Accessibility & contrast

On white

9.79

#2D379D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2D379D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D379D

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D379D	#FFFFFF	#000000	##FFFFFF
##2D379D	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d379d;
/* rgb */ color: rgb(45, 55, 157);
/* oklch */ color: oklch(39.8% 0.164 272.2);

Tailwind

colors: {
  custom: {
    50: '#766ebb',
    500: '#2d379d',
    950: '#000000',
  },
}

SCSS

$custom: #2d379d;
$custom-light: #766ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d379d",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 157
  },
  "hsl": {
    "h": 234.643,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39792,
    "c": 0.16372,
    "h": 272.2
  },
  "luminance": 0.05725
}

Semantic roles & 50–950 ramp

primary

#2D379D

secondary

#BDB569

accent

#D149DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D379D

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

Preview Lab → · Contrast checker → · Palette generator →