#2D37A6#2D37A6

#2D37A6 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.176 H 271.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2D37A6
RGB	rgb(45, 55, 166)
HSL	hsl(235, 57%, 41%)
HSV	hsv(235, 73%, 65%)
CMYK	cmyk(72.9%, 66.9%, 0%, 34.9%)
CIE-LAB	lab(29.52, 34.44, -60.76)
CIE-LCH	lch(29.52, 69.84, 299.54°)
OKLab	oklab(40.64% 0.0055 -0.1756)
OKLCH	oklch(40.64% 0.176 271.8)
XYZ	xyz(9.3290, 6.0425, 36.7437)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37A6 #A69C2D

analogous

#2D74A6 #2D37A6 #602DA6

triadic

#2D37A6 #A62D37 #37A62D

tetradic

#2D37A6 #A62D74 #A69C2D #2DA660

square

#2D37A6 #A62D74 #A69C2D #2DA660

split-complementary

#2D37A6 #A6602D #74A62D

monochromatic

#131746 #202776 #2D37A6 #444FCC #747CD9

Accessibility & contrast

On white

9.51

#2D37A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2D37A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37A6

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37A6	#FFFFFF	#000000	##FFFFFF
##2D37A6	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#0040A4

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d37a6;
/* rgb */ color: rgb(45, 55, 166);
/* oklch */ color: oklch(40.6% 0.176 271.8);

Tailwind

colors: {
  custom: {
    50: '#786ec1',
    500: '#2d37a6',
    950: '#000000',
  },
}

SCSS

$custom: #2d37a6;
$custom-light: #786ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37a6",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 166
  },
  "hsl": {
    "h": 235.041,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40638,
    "c": 0.17573,
    "h": 271.8
  },
  "luminance": 0.06043
}

Semantic roles & 50–950 ramp

primary

#2D37A6

secondary

#C1BA6E

accent

#D447E1

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D37A6

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

Preview Lab → · Contrast checker → · Palette generator →