#37509D#37509D

#37509D is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.4% C 0.129 H 267.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#37509D
RGB	rgb(55, 80, 157)
HSL	hsl(225, 48%, 42%)
HSV	hsv(225, 65%, 62%)
CMYK	cmyk(65%, 49%, 0%, 38.4%)
CIE-LAB	lab(35.95, 16.20, -44.87)
CIE-LCH	lch(35.95, 47.70, 289.85°)
OKLab	oklab(45.37% -0.0055 -0.1284)
OKLCH	oklch(45.37% 0.129 267.6)
XYZ	xyz(10.5279, 8.9829, 33.0708)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37509D #9D8437

analogous

#37839D #37509D #51379D

triadic

#37509D #9D3750 #509D37

tetradic

#37509D #9D3783 #9D8437 #379D51

square

#37509D #9D3783 #9D8437 #379D51

split-complementary

#37509D #9D5137 #839D37

monochromatic

#172242 #273970 #37509D #506CC2 #7D92D1

Accessibility & contrast

On white

7.51

#37509D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#37509D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37509D

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37509D	#FFFFFF	#000000	##FFFFFF
##37509D	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2859A0

Deuteranopia (green-blind)

#12509B

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37509d;
/* rgb */ color: rgb(55, 80, 157);
/* oklch */ color: oklch(45.4% 0.129 267.6);

Tailwind

colors: {
  custom: {
    50: '#7980ba',
    500: '#37509d',
    950: '#000000',
  },
}

SCSS

$custom: #37509d;
$custom-light: #7980ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37509d",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 157
  },
  "hsl": {
    "h": 225.294,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45369,
    "c": 0.12855,
    "h": 267.6
  },
  "luminance": 0.08984
}

Semantic roles & 50–950 ramp

primary

#37509D

secondary

#BBAA75

accent

#B650D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37509D

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

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