#375DAF#375DAF

#375DAF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.138 H 263.5°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#375DAF
RGB	rgb(55, 93, 175)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 69%, 69%)
CMYK	cmyk(68.6%, 46.9%, 0%, 31.4%)
CIE-LAB	lab(40.79, 14.30, -47.81)
CIE-LCH	lch(40.79, 49.90, 286.66°)
OKLab	oklab(49.44% -0.0156 -0.1369)
OKLCH	oklch(49.44% 0.138 263.5)
XYZ	xyz(13.2250, 11.7348, 42.1172)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DAF #AF8937

analogous

#3799AF #375DAF #4D37AF

triadic

#375DAF #AF375D #5DAF37

tetradic

#375DAF #AF3799 #AF8937 #37AF4D

square

#375DAF #AF3799 #AF8937 #37AF4D

split-complementary

#375DAF #AF4D37 #99AF37

monochromatic

#1A2C52 #284480 #375DAF #597DCB #87A1D9

Accessibility & contrast

On white

6.27

#375DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#375DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DAF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DAF	#FFFFFF	#000000	##FFFFFF
##375DAF	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B2

Deuteranopia (green-blind)

#1A5BAD

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375daf;
/* rgb */ color: rgb(55, 93, 175);
/* oklch */ color: oklch(49.4% 0.138 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c8ac7',
    500: '#375daf',
    950: '#000000',
  },
}

SCSS

$custom: #375daf;
$custom-light: #7c8ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#375daf",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 175
  },
  "hsl": {
    "h": 221,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.13777,
    "h": 263.5
  },
  "luminance": 0.11736
}

Semantic roles & 50–950 ramp

primary

#375DAF

secondary

#C3AE7F

accent

#AE4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375DAF

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

Preview Lab → · Contrast checker → · Palette generator →