#375DA1#375DA1

#375DA1 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.5% C 0.118 H 261.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#375DA1
RGB	rgb(55, 93, 161)
HSL	hsl(218, 49%, 42%)
HSV	hsv(218, 66%, 63%)
CMYK	cmyk(65.8%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.94, 9.17, -40.88)
CIE-LCH	lch(39.94, 41.90, 282.64°)
OKLab	oklab(48.51% -0.0182 -0.1165)
OKLCH	oklch(48.51% 0.118 261.1)
XYZ	xyz(11.9206, 11.2130, 35.2474)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DA1 #A17B37

analogous

#3792A1 #375DA1 #4637A1

triadic

#375DA1 #A1375D #5DA137

tetradic

#375DA1 #A13792 #A17B37 #37A146

square

#375DA1 #A13792 #A17B37 #37A146

split-complementary

#375DA1 #A14637 #92A137

monochromatic

#182846 #274373 #375DA1 #517AC4 #7F9DD3

Accessibility & contrast

On white

6.48

#375DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#375DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DA1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DA1	#FFFFFF	#000000	##FFFFFF
##375DA1	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A4

Deuteranopia (green-blind)

#2E5AA0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375da1;
/* rgb */ color: rgb(55, 93, 161);
/* oklch */ color: oklch(48.5% 0.118 261.1);

Tailwind

colors: {
  custom: {
    50: '#798abd',
    500: '#375da1',
    950: '#000000',
  },
}

SCSS

$custom: #375da1;
$custom-light: #798abd;
$custom-dark: #000000;

JSON

{
  "hex": "#375da1",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 218.491,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48509,
    "c": 0.11794,
    "h": 261.1
  },
  "luminance": 0.11214
}

Semantic roles & 50–950 ramp

primary

#375DA1

secondary

#BDA477

accent

#A74FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375DA1

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

Preview Lab → · Contrast checker → · Palette generator →