#2D398F#2D398F

#2D398F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.142 H 272.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#2D398F
RGB	rgb(45, 57, 143)
HSL	hsl(233, 52%, 37%)
HSV	hsv(233, 69%, 56%)
CMYK	cmyk(68.5%, 60.1%, 0%, 43.9%)
CIE-LAB	lab(28.02, 24.71, -49.19)
CIE-LCH	lch(28.02, 55.05, 296.68°)
OKLab	oklab(38.92% 0.005 -0.1417)
OKLCH	oklch(38.92% 0.142 272)
XYZ	xyz(7.5016, 5.4666, 26.6411)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D398F #8F832D

analogous

#2D6A8F #2D398F #522D8F

triadic

#2D398F #8F2D39 #398F2D

tetradic

#2D398F #8F2D6A #8F832D #2D8F52

square

#2D398F #8F2D6A #8F832D #2D8F52

split-complementary

#2D398F #8F522D #6A8F2D

monochromatic

#101432 #1E2660 #2D398F #3C4CBE #6774CF

Accessibility & contrast

On white

10.03

#2D398F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2D398F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D398F

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D398F	#FFFFFF	#000000	##FFFFFF
##2D398F	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d398f;
/* rgb */ color: rgb(45, 57, 143);
/* oklch */ color: oklch(38.9% 0.142 272.0);

Tailwind

colors: {
  custom: {
    50: '#736fb0',
    500: '#2d398f',
    950: '#000000',
  },
}

SCSS

$custom: #2d398f;
$custom-light: #736fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d398f",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 143
  },
  "hsl": {
    "h": 232.653,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3892,
    "c": 0.14177,
    "h": 272
  },
  "luminance": 0.05467
}

Semantic roles & 50–950 ramp

primary

#2D398F

secondary

#B6AC62

accent

#CA4CDC

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D398F

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

Preview Lab → · Contrast checker → · Palette generator →