#375DAE#375DAE

#375DAE is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.136 H 263.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#375DAE
RGB	rgb(55, 93, 174)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 68%, 68%)
CMYK	cmyk(68.4%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.73, 13.93, -47.32)
CIE-LCH	lch(40.73, 49.33, 286.41°)
OKLab	oklab(49.37% -0.0158 -0.1354)
OKLCH	oklch(49.37% 0.136 263.4)
XYZ	xyz(13.1272, 11.6956, 41.6019)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DAE #AE8837

analogous

#3799AE #375DAE #4C37AE

triadic

#375DAE #AE375D #5DAE37

tetradic

#375DAE #AE3799 #AE8837 #37AE4C

square

#375DAE #AE3799 #AE8837 #37AE4C

split-complementary

#375DAE #AE4C37 #99AE37

monochromatic

#1A2B51 #28447F #375DAE #587CCA #86A1D9

Accessibility & contrast

On white

6.29

#375DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#375DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DAE

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DAE	#FFFFFF	#000000	##FFFFFF
##375DAE	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3466B1

Deuteranopia (green-blind)

#1C5BAC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375dae;
/* rgb */ color: rgb(55, 93, 174);
/* oklch */ color: oklch(49.4% 0.136 263.4);

Tailwind

colors: {
  custom: {
    50: '#7b8ac7',
    500: '#375dae',
    950: '#000000',
  },
}

SCSS

$custom: #375dae;
$custom-light: #7b8ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#375dae",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 220.84,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49374,
    "c": 0.13636,
    "h": 263.4
  },
  "luminance": 0.11697
}

Semantic roles & 50–950 ramp

primary

#375DAE

secondary

#C3AD7E

accent

#AE4CDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #375DAE

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

Preview Lab → · Contrast checker → · Palette generator →