#37619D#37619D

#37619D is a mid, moderate blue. Relative luminance 0.118; OKLCH L 49.2% C 0.108 H 257.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#37619D
RGB	rgb(55, 97, 157)
HSL	hsl(215, 48%, 42%)
HSV	hsv(215, 65%, 62%)
CMYK	cmyk(65%, 38.2%, 0%, 38.4%)
CIE-LAB	lab(40.89, 5.16, -36.99)
CIE-LCH	lch(40.89, 37.35, 277.95°)
OKLab	oklab(49.17% -0.0233 -0.1051)
OKLCH	oklch(49.17% 0.108 257.5)
XYZ	xyz(11.9339, 11.7948, 33.5395)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37619D #9D7337

analogous

#37949D #37619D #40379D

triadic

#37619D #9D3761 #619D37

tetradic

#37619D #9D3794 #9D7337 #379D40

square

#37619D #9D3794 #9D7337 #379D40

split-complementary

#37619D #9D4037 #949D37

monochromatic

#172942 #274570 #37619D #507FC2 #7DA0D1

Accessibility & contrast

On white

6.25

#37619D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#37619D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37619D

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37619D	#FFFFFF	#000000	##FFFFFF
##37619D	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47669F

Deuteranopia (green-blind)

#385C9C

Tritanopia (blue-blind)

#006F77

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37619d;
/* rgb */ color: rgb(55, 97, 157);
/* oklch */ color: oklch(49.2% 0.108 257.5);

Tailwind

colors: {
  custom: {
    50: '#788dba',
    500: '#37619d',
    950: '#000000',
  },
}

SCSS

$custom: #37619d;
$custom-light: #788dba;
$custom-dark: #000000;

JSON

{
  "hex": "#37619d",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 157
  },
  "hsl": {
    "h": 215.294,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49173,
    "c": 0.10762,
    "h": 257.5
  },
  "luminance": 0.11796
}

Semantic roles & 50–950 ramp

primary

#37619D

secondary

#BB9E75

accent

#A050D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #37619D

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

Preview Lab → · Contrast checker → · Palette generator →