#375ACE#375ACE

#375ACE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.184 H 266.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#375ACE
RGB	rgb(55, 90, 206)
HSL	hsl(226, 61%, 51%)
HSV	hsv(226, 73%, 81%)
CMYK	cmyk(73.3%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(42.12, 27.65, -63.71)
CIE-LCH	lch(42.12, 69.45, 293.46°)
OKLab	oklab(51.13% -0.01 -0.1837)
OKLCH	oklch(51.13% 0.184 266.9)
XYZ	xyz(16.3684, 12.5790, 59.9459)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ACE #CEAB37

analogous

#37A5CE #375ACE #5F37CE

triadic

#375ACE #CE375A #5ACE37

tetradic

#375ACE #CE37A5 #CEAB37 #37CE5F

square

#375ACE #CE37A5 #CEAB37 #37CE5F

split-complementary

#375ACE #CE5F37 #A5CE37

monochromatic

#1B2F6F #2743A0 #375ACE #6883DA #99ABE6

Accessibility & contrast

On white

5.97

#375ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#375ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ACE

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ACE	#FFFFFF	#000000	##FFFFFF
##375ACE	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375ace;
/* rgb */ color: rgb(55, 90, 206);
/* oklch */ color: oklch(51.1% 0.184 266.9);

Tailwind

colors: {
  custom: {
    50: '#8288de',
    500: '#375ace',
    950: '#000000',
  },
}

SCSS

$custom: #375ace;
$custom-light: #8288de;
$custom-dark: #000000;

JSON

{
  "hex": "#375ace",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 226.093,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51134,
    "c": 0.18398,
    "h": 266.9
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#375ACE

secondary

#D2C28F

accent

#BF44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ACE

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

Preview Lab → · Contrast checker → · Palette generator →