#37489C#37489C

#37489C is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.138 H 271.0°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#37489C
RGB	rgb(55, 72, 156)
HSL	hsl(230, 48%, 41%)
HSV	hsv(230, 65%, 61%)
CMYK	cmyk(64.7%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(33.66, 21.13, -47.96)
CIE-LCH	lch(33.66, 52.40, 293.78°)
OKLab	oklab(43.61% 0.0024 -0.1376)
OKLCH	oklch(43.61% 0.138 271)
XYZ	xyz(9.8916, 7.8464, 32.4393)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37489C #9C8B37

analogous

#377B9C #37489C #59379C

triadic

#37489C #9C3748 #489C37

tetradic

#37489C #9C377B #9C8B37 #379C59

square

#37489C #9C377B #9C8B37 #379C59

split-complementary

#37489C #9C5937 #7B9C37

monochromatic

#171E42 #27336F #37489C #4F62C1 #7C8BD1

Accessibility & contrast

On white

8.17

#37489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#37489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37489C

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37489C	#FFFFFF	#000000	##FFFFFF
##37489C	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12549F

Deuteranopia (green-blind)

#004B9A

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37489c;
/* rgb */ color: rgb(55, 72, 156);
/* oklch */ color: oklch(43.6% 0.138 271.0);

Tailwind

colors: {
  custom: {
    50: '#797aba',
    500: '#37489c',
    950: '#000000',
  },
}

SCSS

$custom: #37489c;
$custom-light: #797aba;
$custom-dark: #000000;

JSON

{
  "hex": "#37489c",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 229.901,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43612,
    "c": 0.13765,
    "h": 271
  },
  "luminance": 0.07847
}

Semantic roles & 50–950 ramp

primary

#37489C

secondary

#BAAE75

accent

#C150D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #37489C

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

Preview Lab → · Contrast checker → · Palette generator →