#2D379B#2D379B

#2D379B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.161 H 272.2°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D379B
RGB	rgb(45, 55, 155)
HSL	hsl(235, 55%, 39%)
HSV	hsv(235, 71%, 61%)
CMYK	cmyk(71%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(28.53, 30.46, -55.72)
CIE-LCH	lch(28.53, 63.50, 298.66°)
OKLab	oklab(39.61% 0.0063 -0.1609)
OKLCH	oklch(39.61% 0.161 272.2)
XYZ	xyz(8.3628, 5.6560, 31.6550)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D379B #9B912D

analogous

#2D6E9B #2D379B #5A2D9B

triadic

#2D379B #9B2D37 #379B2D

tetradic

#2D379B #9B2D6E #9B912D #2D9B5A

square

#2D379B #9B2D6E #9B912D #2D9B5A

split-complementary

#2D379B #9B5A2D #6E9B2D

monochromatic

#11153C #1F266C #2D379B #3E4BC7 #6E77D5

Accessibility & contrast

On white

9.85

#2D379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2D379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D379B

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D379B	#FFFFFF	#000000	##FFFFFF
##2D379B	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d379b;
/* rgb */ color: rgb(45, 55, 155);
/* oklch */ color: oklch(39.6% 0.161 272.2);

Tailwind

colors: {
  custom: {
    50: '#756eb9',
    500: '#2d379b',
    950: '#000000',
  },
}

SCSS

$custom: #2d379b;
$custom-light: #756eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d379b",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 234.545,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39608,
    "c": 0.161,
    "h": 272.2
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#2D379B

secondary

#BCB468

accent

#D149DE

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D379B

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

Preview Lab → · Contrast checker → · Palette generator →