#2D397B#2D397B

#2D397B is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.112 H 272.1°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2D397B
RGB	rgb(45, 57, 123)
HSL	hsl(231, 46%, 33%)
HSV	hsv(231, 63%, 48%)
CMYK	cmyk(63.4%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(26.49, 17.26, -39.21)
CIE-LCH	lch(26.49, 42.84, 293.76°)
OKLab	oklab(37.28% 0.0041 -0.1123)
OKLCH	oklch(37.28% 0.112 272.1)
XYZ	xyz(6.1193, 4.9137, 19.3610)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D397B #7B6F2D

analogous

#2D607B #2D397B #482D7B

triadic

#2D397B #7B2D39 #397B2D

tetradic

#2D397B #7B2D60 #7B6F2D #2D7B48

square

#2D397B #7B2D60 #7B6F2D #2D7B48

split-complementary

#2D397B #7B482D #607B2D

monochromatic

#0C0F21 #1D244E #2D397B #3D4EA8 #5E6EC4

Accessibility & contrast

On white

10.59

#2D397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2D397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D397B

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D397B	#FFFFFF	#000000	##FFFFFF
##2D397B	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13427D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d397b;
/* rgb */ color: rgb(45, 57, 123);
/* oklch */ color: oklch(37.3% 0.112 272.1);

Tailwind

colors: {
  custom: {
    50: '#6e6fa2',
    500: '#2d397b',
    950: '#000000',
  },
}

SCSS

$custom: #2d397b;
$custom-light: #6e6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d397b",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 230.769,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37282,
    "c": 0.11241,
    "h": 272.1
  },
  "luminance": 0.04914
}

Semantic roles & 50–950 ramp

primary

#2D397B

secondary

#AB9E59

accent

#C252D6

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2D397B

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

Preview Lab → · Contrast checker → · Palette generator →