#3758A2#3758A2

#3758A2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.126 H 264.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3758A2
RGB	rgb(55, 88, 162)
HSL	hsl(221, 49%, 43%)
HSV	hsv(221, 66%, 64%)
CMYK	cmyk(66%, 45.7%, 0%, 36.5%)
CIE-LAB	lab(38.55, 12.78, -43.70)
CIE-LCH	lch(38.55, 45.53, 286.30°)
OKLab	oklab(47.46% -0.0128 -0.1249)
OKLCH	oklch(47.46% 0.126 264.1)
XYZ	xyz(11.5846, 10.3992, 35.5722)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3758A2 #A28137

analogous

#378EA2 #3758A2 #4B37A2

triadic

#3758A2 #A23758 #58A237

tetradic

#3758A2 #A2378E #A28137 #37A24B

square

#3758A2 #A2378E #A28137 #37A24B

split-complementary

#3758A2 #A24B37 #8EA237

monochromatic

#182647 #273F74 #3758A2 #5275C4 #809AD4

Accessibility & contrast

On white

6.82

#3758A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3758A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3758A2

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3758A2	#FFFFFF	#000000	##FFFFFF
##3758A2	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3460A5

Deuteranopia (green-blind)

#2256A0

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3758a2;
/* rgb */ color: rgb(55, 88, 162);
/* oklch */ color: oklch(47.5% 0.126 264.1);

Tailwind

colors: {
  custom: {
    50: '#7986be',
    500: '#3758a2',
    950: '#000000',
  },
}

SCSS

$custom: #3758a2;
$custom-light: #7986be;
$custom-dark: #000000;

JSON

{
  "hex": "#3758a2",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 162
  },
  "hsl": {
    "h": 221.495,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47459,
    "c": 0.12552,
    "h": 264.1
  },
  "luminance": 0.104
}

Semantic roles & 50–950 ramp

primary

#3758A2

secondary

#BDA878

accent

#AE4FD9

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3758A2

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

Preview Lab → · Contrast checker → · Palette generator →