#37486B#37486B

#37486B is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.3% C 0.063 H 264.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#37486B
RGB	rgb(55, 72, 107)
HSL	hsl(220, 32%, 32%)
HSV	hsv(220, 49%, 42%)
CMYK	cmyk(48.6%, 32.7%, 0%, 58%)
CIE-LAB	lab(30.66, 3.83, -22.43)
CIE-LCH	lch(30.66, 22.75, 279.69°)
OKLab	oklab(40.34% -0.0066 -0.0629)
OKLCH	oklch(40.34% 0.063 264)
XYZ	xyz(6.5459, 6.5081, 14.8183)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37486B #6B5A37

analogous

#37626B #37486B #40376B

triadic

#37486B #6B3748 #486B37

tetradic

#37486B #6B3762 #6B5A37 #376B40

square

#37486B #6B3762 #6B5A37 #376B40

split-complementary

#37486B #6B4037 #626B37

monochromatic

#0D121A #222D43 #37486B #4C6393 #6A82B2

Accessibility & contrast

On white

9.12

#37486B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#37486B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37486B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37486B	#FFFFFF	#000000	##FFFFFF
##37486B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4B6C

Deuteranopia (green-blind)

#36466A

Tritanopia (blue-blind)

#234F54

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #37486b;
/* rgb */ color: rgb(55, 72, 107);
/* oklch */ color: oklch(40.3% 0.063 264.0);

Tailwind

colors: {
  custom: {
    50: '#717a95',
    500: '#37486b',
    950: '#000000',
  },
}

SCSS

$custom: #37486b;
$custom-light: #717a95;
$custom-dark: #000000;

JSON

{
  "hex": "#37486b",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 107
  },
  "hsl": {
    "h": 220.385,
    "s": 32.099,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40344,
    "c": 0.06322,
    "h": 264
  },
  "luminance": 0.06508
}

Semantic roles & 50–950 ramp

primary

#37486B

secondary

#9B8962

accent

#A660C8

background

#F6F7F9

surface

#ECEDF1

border

#C7C8CB

text

#08090D

muted

#7B7B7E

Preview Lab

Preview with #37486B

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

Preview Lab → · Contrast checker → · Palette generator →