#375DDA#375DDA

#375DDA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.196 H 266.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#375DDA
RGB	rgb(55, 93, 218)
HSL	hsl(226, 69%, 54%)
HSV	hsv(226, 75%, 85%)
CMYK	cmyk(74.8%, 57.3%, 0%, 14.5%)
CIE-LAB	lab(43.80, 30.11, -67.85)
CIE-LCH	lch(43.80, 74.24, 293.93°)
OKLab	oklab(52.68% -0.0116 -0.1958)
OKLCH	oklch(52.68% 0.196 266.6)
XYZ	xyz(18.1404, 13.7009, 68.0046)
Luminance	0.1370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DDA #DAB437

analogous

#37AEDA #375DDA #6237DA

triadic

#375DDA #DA375D #5DDA37

tetradic

#375DDA #DA37AE #DAB437 #37DA62

square

#375DDA #DA37AE #DAB437 #37DA62

split-complementary

#375DDA #DA6237 #AEDA37

monochromatic

#18307F #2143B3 #375DDA #6B87E4 #9EB1ED

Accessibility & contrast

On white

5.61

#375DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#375DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DDA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DDA	#FFFFFF	#000000	##FFFFFF
##375DDA	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDE

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #375dda;
/* rgb */ color: rgb(55, 93, 218);
/* oklch */ color: oklch(52.7% 0.196 266.6);

Tailwind

colors: {
  custom: {
    50: '#858ae6',
    500: '#375dda',
    950: '#000000',
  },
}

SCSS

$custom: #375dda;
$custom-light: #858ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#375dda",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 218
  },
  "hsl": {
    "h": 226.012,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52677,
    "c": 0.19618,
    "h": 266.6
  },
  "luminance": 0.13703
}

Semantic roles & 50–950 ramp

primary

#375DDA

secondary

#D9C993

accent

#C33CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #375DDA

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

Preview Lab → · Contrast checker → · Palette generator →