#2D397F#2D397F

#2D397F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.6% C 0.118 H 272.1°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#2D397F
RGB	rgb(45, 57, 127)
HSL	hsl(231, 48%, 34%)
HSV	hsv(231, 65%, 50%)
CMYK	cmyk(64.6%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(26.78, 18.75, -41.25)
CIE-LCH	lch(26.78, 45.32, 294.44°)
OKLab	oklab(37.6% 0.0044 -0.1183)
OKLCH	oklch(37.6% 0.118 272.1)
XYZ	xyz(6.3748, 5.0159, 20.7068)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D397F #7F732D

analogous

#2D627F #2D397F #4A2D7F

triadic

#2D397F #7F2D39 #397F2D

tetradic

#2D397F #7F2D62 #7F732D #2D7F4A

square

#2D397F #7F2D62 #7F732D #2D7F4A

split-complementary

#2D397F #7F4A2D #627F2D

monochromatic

#0D1025 #1D2552 #2D397F #3D4DAC #606FC7

Accessibility & contrast

On white

10.48

#2D397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2D397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D397F

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D397F	#FFFFFF	#000000	##FFFFFF
##2D397F	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4381

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d397f;
/* rgb */ color: rgb(45, 57, 127);
/* oklch */ color: oklch(37.6% 0.118 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f6fa5',
    500: '#2d397f',
    950: '#000000',
  },
}

SCSS

$custom: #2d397f;
$custom-light: #6f6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d397f",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 231.22,
    "s": 47.674,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37596,
    "c": 0.11843,
    "h": 272.1
  },
  "luminance": 0.05016
}

Semantic roles & 50–950 ramp

primary

#2D397F

secondary

#ADA15B

accent

#C451D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D397F

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

Preview Lab → · Contrast checker → · Palette generator →