#3758AF#3758AF

#3758AF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.144 H 265.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3758AF
RGB	rgb(55, 88, 175)
HSL	hsl(224, 52%, 45%)
HSV	hsv(224, 69%, 69%)
CMYK	cmyk(68.6%, 49.7%, 0%, 31.4%)
CIE-LAB	lab(39.39, 17.55, -50.07)
CIE-LCH	lch(39.39, 53.05, 289.32°)
OKLab	oklab(48.37% -0.0109 -0.1436)
OKLCH	oklch(48.37% 0.144 265.7)
XYZ	xyz(12.8004, 10.8856, 41.9757)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3758AF #AF8E37

analogous

#3794AF #3758AF #5237AF

triadic

#3758AF #AF3758 #58AF37

tetradic

#3758AF #AF3794 #AF8E37 #37AF52

square

#3758AF #AF3794 #AF8E37 #37AF52

split-complementary

#3758AF #AF5237 #94AF37

monochromatic

#1A2952 #284180 #3758AF #5978CB #879ED9

Accessibility & contrast

On white

6.61

#3758AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3758AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3758AF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3758AF	#FFFFFF	#000000	##FFFFFF
##3758AF	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2763B2

Deuteranopia (green-blind)

#0158AD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3758af;
/* rgb */ color: rgb(55, 88, 175);
/* oklch */ color: oklch(48.4% 0.144 265.7);

Tailwind

colors: {
  custom: {
    50: '#7c86c7',
    500: '#3758af',
    950: '#000000',
  },
}

SCSS

$custom: #3758af;
$custom-light: #7c86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3758af",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 175
  },
  "hsl": {
    "h": 223.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48369,
    "c": 0.14401,
    "h": 265.7
  },
  "luminance": 0.10887
}

Semantic roles & 50–950 ramp

primary

#3758AF

secondary

#C3B07F

accent

#B44CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3758AF

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

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