#2D37A5#2D37A5

#2D37A5 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.174 H 271.8°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2D37A5
RGB	rgb(45, 55, 165)
HSL	hsl(235, 57%, 41%)
HSV	hsv(235, 73%, 65%)
CMYK	cmyk(72.7%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.43, 34.08, -60.31)
CIE-LCH	lch(29.43, 69.27, 299.47°)
OKLab	oklab(40.54% 0.0056 -0.1743)
OKLCH	oklch(40.54% 0.174 271.8)
XYZ	xyz(9.2376, 6.0059, 36.2624)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37A5 #A59B2D

analogous

#2D73A5 #2D37A5 #5F2DA5

triadic

#2D37A5 #A52D37 #37A52D

tetradic

#2D37A5 #A52D73 #A59B2D #2DA55F

square

#2D37A5 #A52D73 #A59B2D #2DA55F

split-complementary

#2D37A5 #A55F2D #73A52D

monochromatic

#131745 #202775 #2D37A5 #434FCC #737CD9

Accessibility & contrast

On white

9.54

#2D37A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2D37A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37A5

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37A5	#FFFFFF	#000000	##FFFFFF
##2D37A5	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d37a5;
/* rgb */ color: rgb(45, 55, 165);
/* oklch */ color: oklch(40.5% 0.174 271.8);

Tailwind

colors: {
  custom: {
    50: '#786ec1',
    500: '#2d37a5',
    950: '#000000',
  },
}

SCSS

$custom: #2d37a5;
$custom-light: #786ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37a5",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 235,
    "s": 57.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40543,
    "c": 0.17441,
    "h": 271.8
  },
  "luminance": 0.06007
}

Semantic roles & 50–950 ramp

primary

#2D37A5

secondary

#C1BA6D

accent

#D447E0

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D37A5

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

Preview Lab → · Contrast checker → · Palette generator →