#2D388F#2D388F

#2D388F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.143 H 272.4°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2D388F
RGB	rgb(45, 56, 143)
HSL	hsl(233, 52%, 37%)
HSV	hsv(233, 69%, 56%)
CMYK	cmyk(68.5%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.76, 25.38, -49.62)
CIE-LCH	lch(27.76, 55.73, 297.09°)
OKLab	oklab(38.72% 0.0059 -0.143)
OKLCH	oklch(38.72% 0.143 272.4)
XYZ	xyz(7.4526, 5.3687, 26.6248)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D388F #8F842D

analogous

#2D698F #2D388F #532D8F

triadic

#2D388F #8F2D38 #388F2D

tetradic

#2D388F #8F2D69 #8F842D #2D8F53

square

#2D388F #8F2D69 #8F842D #2D8F53

split-complementary

#2D388F #8F532D #698F2D

monochromatic

#101432 #1E2660 #2D388F #3C4ABE #6773CF

Accessibility & contrast

On white

10.13

#2D388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2D388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D388F

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D388F	#FFFFFF	#000000	##FFFFFF
##2D388F	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d388f;
/* rgb */ color: rgb(45, 56, 143);
/* oklch */ color: oklch(38.7% 0.143 272.4);

Tailwind

colors: {
  custom: {
    50: '#736eb1',
    500: '#2d388f',
    950: '#000000',
  },
}

SCSS

$custom: #2d388f;
$custom-light: #736eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d388f",
  "rgb": {
    "r": 45,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 233.265,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38724,
    "c": 0.14308,
    "h": 272.4
  },
  "luminance": 0.05369
}

Semantic roles & 50–950 ramp

primary

#2D388F

secondary

#B6AC62

accent

#CB4CDC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D388F

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

Preview Lab → · Contrast checker → · Palette generator →