#375EAF#375EAF

#375EAF is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.137 H 263.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#375EAF
RGB	rgb(55, 94, 175)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 69%, 69%)
CMYK	cmyk(68.6%, 46.3%, 0%, 31.4%)
CIE-LAB	lab(41.08, 13.66, -47.35)
CIE-LCH	lch(41.08, 49.28, 286.09°)
OKLab	oklab(49.66% -0.0166 -0.1355)
OKLCH	oklch(49.66% 0.137 263)
XYZ	xyz(13.3134, 11.9114, 42.1466)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EAF #AF8837

analogous

#379AAF #375EAF #4C37AF

triadic

#375EAF #AF375E #5EAF37

tetradic

#375EAF #AF379A #AF8837 #37AF4C

square

#375EAF #AF379A #AF8837 #37AF4C

split-complementary

#375EAF #AF4C37 #9AAF37

monochromatic

#1A2C52 #284580 #375EAF #597ECB #87A2D9

Accessibility & contrast

On white

6.21

#375EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#375EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EAF

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EAF	#FFFFFF	#000000	##FFFFFF
##375EAF	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B2

Deuteranopia (green-blind)

#1E5CAD

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375eaf;
/* rgb */ color: rgb(55, 94, 175);
/* oklch */ color: oklch(49.7% 0.137 263.0);

Tailwind

colors: {
  custom: {
    50: '#7b8bc7',
    500: '#375eaf',
    950: '#000000',
  },
}

SCSS

$custom: #375eaf;
$custom-light: #7b8bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#375eaf",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 175
  },
  "hsl": {
    "h": 220.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4966,
    "c": 0.13653,
    "h": 263
  },
  "luminance": 0.11913
}

Semantic roles & 50–950 ramp

primary

#375EAF

secondary

#C3AD7F

accent

#AD4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375EAF

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

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