#375EA1#375EA1

#375EA1 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.117 H 260.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#375EA1
RGB	rgb(55, 94, 161)
HSL	hsl(218, 49%, 42%)
HSV	hsv(218, 66%, 63%)
CMYK	cmyk(65.8%, 41.6%, 0%, 36.9%)
CIE-LAB	lab(40.23, 8.53, -40.42)
CIE-LCH	lch(40.23, 41.31, 281.91°)
OKLab	oklab(48.74% -0.0192 -0.1151)
OKLCH	oklch(48.74% 0.117 260.5)
XYZ	xyz(12.0090, 11.3897, 35.2769)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EA1 #A17A37

analogous

#3793A1 #375EA1 #4537A1

triadic

#375EA1 #A1375E #5EA137

tetradic

#375EA1 #A13793 #A17A37 #37A145

square

#375EA1 #A13793 #A17A37 #37A145

split-complementary

#375EA1 #A14537 #93A137

monochromatic

#182946 #274373 #375EA1 #517CC4 #7F9ED3

Accessibility & contrast

On white

6.41

#375EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#375EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EA1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EA1	#FFFFFF	#000000	##FFFFFF
##375EA1	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4064A4

Deuteranopia (green-blind)

#305AA0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ea1;
/* rgb */ color: rgb(55, 94, 161);
/* oklch */ color: oklch(48.7% 0.117 260.5);

Tailwind

colors: {
  custom: {
    50: '#798bbd',
    500: '#375ea1',
    950: '#000000',
  },
}

SCSS

$custom: #375ea1;
$custom-light: #798bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#375ea1",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 161
  },
  "hsl": {
    "h": 217.925,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48735,
    "c": 0.11675,
    "h": 260.5
  },
  "luminance": 0.11391
}

Semantic roles & 50–950 ramp

primary

#375EA1

secondary

#BDA377

accent

#A64FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375EA1

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

Preview Lab → · Contrast checker → · Palette generator →