#375AC9#375AC9

#375AC9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.7% C 0.177 H 266.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#375AC9
RGB	rgb(55, 90, 201)
HSL	hsl(226, 57%, 50%)
HSV	hsv(226, 73%, 79%)
CMYK	cmyk(72.6%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(41.75, 25.82, -61.43)
CIE-LCH	lch(41.75, 66.63, 292.80°)
OKLab	oklab(50.74% -0.0102 -0.177)
OKLCH	oklch(50.74% 0.177 266.7)
XYZ	xyz(15.7706, 12.3399, 56.7977)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AC9 #C9A637

analogous

#37A3C9 #375AC9 #5D37C9

triadic

#375AC9 #C9375A #5AC937

tetradic

#375AC9 #C937A3 #C9A637 #37C95D

square

#375AC9 #C937A3 #C9A637 #37C95D

split-complementary

#375AC9 #C95D37 #A3C937

monochromatic

#1C2F69 #294499 #375AC9 #6782D6 #97AAE3

Accessibility & contrast

On white

6.05

#375AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#375AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AC9

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AC9	#FFFFFF	#000000	##FFFFFF
##375AC9	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375ac9;
/* rgb */ color: rgb(55, 90, 201);
/* oklch */ color: oklch(50.7% 0.177 266.7);

Tailwind

colors: {
  custom: {
    50: '#8188da',
    500: '#375ac9',
    950: '#000000',
  },
}

SCSS

$custom: #375ac9;
$custom-light: #8188da;
$custom-dark: #000000;

JSON

{
  "hex": "#375ac9",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 225.616,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50739,
    "c": 0.1773,
    "h": 266.7
  },
  "luminance": 0.12342
}

Semantic roles & 50–950 ramp

primary

#375AC9

secondary

#CFBF8D

accent

#BC47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375AC9

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

Preview Lab → · Contrast checker → · Palette generator →