#2D397E#2D397E

#2D397E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.117 H 272.1°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2D397E
RGB	rgb(45, 57, 126)
HSL	hsl(231, 47%, 34%)
HSV	hsv(231, 64%, 49%)
CMYK	cmyk(64.3%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(26.71, 18.38, -40.75)
CIE-LCH	lch(26.71, 44.70, 294.28°)
OKLab	oklab(37.52% 0.0044 -0.1168)
OKLCH	oklch(37.52% 0.117 272.1)
XYZ	xyz(6.3100, 4.9900, 20.3653)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D397E #7E722D

analogous

#2D617E #2D397E #492D7E

triadic

#2D397E #7E2D39 #397E2D

tetradic

#2D397E #7E2D61 #7E722D #2D7E49

square

#2D397E #7E2D61 #7E722D #2D7E49

split-complementary

#2D397E #7E492D #617E2D

monochromatic

#0D1024 #1D2551 #2D397E #3D4DAB #5F6FC6

Accessibility & contrast

On white

10.51

#2D397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2D397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D397E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D397E	#FFFFFF	#000000	##FFFFFF
##2D397E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4380

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d397e;
/* rgb */ color: rgb(45, 57, 126);
/* oklch */ color: oklch(37.5% 0.117 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f6fa4',
    500: '#2d397e',
    950: '#000000',
  },
}

SCSS

$custom: #2d397e;
$custom-light: #6f6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d397e",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 231.111,
    "s": 47.368,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37517,
    "c": 0.11693,
    "h": 272.1
  },
  "luminance": 0.04991
}

Semantic roles & 50–950 ramp

primary

#2D397E

secondary

#ACA05A

accent

#C351D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D397E

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

Preview Lab → · Contrast checker → · Palette generator →