#2D37AB#2D37AB

#2D37AB is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.182 H 271.6°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2D37AB
RGB	rgb(45, 55, 171)
HSL	hsl(235, 58%, 42%)
HSV	hsv(235, 74%, 67%)
CMYK	cmyk(73.7%, 67.8%, 0%, 32.9%)
CIE-LAB	lab(29.98, 36.22, -63.00)
CIE-LCH	lch(29.98, 72.67, 299.90°)
OKLab	oklab(41.12% 0.0051 -0.1822)
OKLCH	oklch(41.12% 0.182 271.6)
XYZ	xyz(9.7966, 6.2295, 39.2063)
Luminance	0.0623 (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

#2D37AB #ABA12D

analogous

#2D76AB #2D37AB #622DAB

triadic

#2D37AB #AB2D37 #37AB2D

tetradic

#2D37AB #AB2D76 #ABA12D #2DAB62

square

#2D37AB #AB2D76 #ABA12D #2DAB62

split-complementary

#2D37AB #AB622D #76AB2D

monochromatic

#14184A #20277B #2D37AB #4751CE #777FDB

Accessibility & contrast

On white

9.35

#2D37AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2D37AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37AB

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37AB	#FFFFFF	#000000	##FFFFFF
##2D37AB	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d37ab;
/* rgb */ color: rgb(45, 55, 171);
/* oklch */ color: oklch(41.1% 0.182 271.6);

Tailwind

colors: {
  custom: {
    50: '#796ec5',
    500: '#2d37ab',
    950: '#000000',
  },
}

SCSS

$custom: #2d37ab;
$custom-light: #796ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37ab",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 171
  },
  "hsl": {
    "h": 235.238,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41118,
    "c": 0.18227,
    "h": 271.6
  },
  "luminance": 0.06231
}

Semantic roles & 50–950 ramp

primary

#2D37AB

secondary

#C3BD71

accent

#D546E2

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D37AB

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

Preview Lab → · Contrast checker → · Palette generator →