#2D388B#2D388B

#2D388B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.137 H 272.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2D388B
RGB	rgb(45, 56, 139)
HSL	hsl(233, 51%, 36%)
HSV	hsv(233, 68%, 55%)
CMYK	cmyk(67.6%, 59.7%, 0%, 45.5%)
CIE-LAB	lab(27.43, 23.90, -47.67)
CIE-LCH	lch(27.43, 53.33, 296.63°)
OKLab	oklab(38.38% 0.0059 -0.1372)
OKLCH	oklch(38.38% 0.137 272.4)
XYZ	xyz(7.1550, 5.2497, 25.0573)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D388B #8B802D

analogous

#2D678B #2D388B #512D8B

triadic

#2D388B #8B2D38 #388B2D

tetradic

#2D388B #8B2D67 #8B802D #2D8B51

square

#2D388B #8B2D67 #8B802D #2D8B51

split-complementary

#2D388B #8B512D #678B2D

monochromatic

#0F132F #1E255D #2D388B #3C4BB9 #6571CD

Accessibility & contrast

On white

10.24

#2D388B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2D388B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D388B

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D388B	#FFFFFF	#000000	##FFFFFF
##2D388B	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2d388b;
/* rgb */ color: rgb(45, 56, 139);
/* oklch */ color: oklch(38.4% 0.137 272.4);

Tailwind

colors: {
  custom: {
    50: '#726eae',
    500: '#2d388b',
    950: '#000000',
  },
}

SCSS

$custom: #2d388b;
$custom-light: #726eae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d388b",
  "rgb": {
    "r": 45,
    "g": 56,
    "b": 139
  },
  "hsl": {
    "h": 232.979,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38379,
    "c": 0.13738,
    "h": 272.4
  },
  "luminance": 0.0525
}

Semantic roles & 50–950 ramp

primary

#2D388B

secondary

#B4AA60

accent

#CA4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D388B

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

Preview Lab → · Contrast checker → · Palette generator →