#2D37A9#2D37A9

#2D37A9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.180 H 271.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2D37A9
RGB	rgb(45, 55, 169)
HSL	hsl(235, 58%, 42%)
HSV	hsv(235, 73%, 66%)
CMYK	cmyk(73.4%, 67.5%, 0%, 33.7%)
CIE-LAB	lab(29.80, 35.51, -62.11)
CIE-LCH	lch(29.80, 71.54, 299.76°)
OKLab	oklab(40.92% 0.0053 -0.1796)
OKLCH	oklch(40.92% 0.18 271.7)
XYZ	xyz(9.6074, 6.1539, 38.2099)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37A9 #A99F2D

analogous

#2D75A9 #2D37A9 #612DA9

triadic

#2D37A9 #A92D37 #37A92D

tetradic

#2D37A9 #A92D75 #A99F2D #2DA961

square

#2D37A9 #A92D75 #A99F2D #2DA961

split-complementary

#2D37A9 #A9612D #75A92D

monochromatic

#131848 #202779 #2D37A9 #4651CE #767EDA

Accessibility & contrast

On white

9.41

#2D37A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2D37A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37A9

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37A9	#FFFFFF	#000000	##FFFFFF
##2D37A9	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d37a9;
/* rgb */ color: rgb(45, 55, 169);
/* oklch */ color: oklch(40.9% 0.180 271.7);

Tailwind

colors: {
  custom: {
    50: '#796ec4',
    500: '#2d37a9',
    950: '#000000',
  },
}

SCSS

$custom: #2d37a9;
$custom-light: #796ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37a9",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 169
  },
  "hsl": {
    "h": 235.161,
    "s": 57.944,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40925,
    "c": 0.17967,
    "h": 271.7
  },
  "luminance": 0.06155
}

Semantic roles & 50–950 ramp

primary

#2D37A9

secondary

#C2BC6F

accent

#D547E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2D37A9

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

Preview Lab → · Contrast checker → · Palette generator →