#375EA8#375EA8

#375EA8 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.2% C 0.127 H 261.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#375EA8
RGB	rgb(55, 94, 168)
HSL	hsl(219, 51%, 44%)
HSV	hsv(219, 67%, 66%)
CMYK	cmyk(67.3%, 44%, 0%, 34.1%)
CIE-LAB	lab(40.64, 11.08, -43.91)
CIE-LCH	lch(40.64, 45.29, 284.17°)
OKLab	oklab(49.19% -0.0178 -0.1254)
OKLCH	oklch(49.19% 0.127 261.9)
XYZ	xyz(12.6436, 11.6436, 38.6193)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EA8 #A88137

analogous

#3796A8 #375EA8 #4837A8

triadic

#375EA8 #A8375E #5EA837

tetradic

#375EA8 #A83796 #A88137 #37A848

square

#375EA8 #A83796 #A88137 #37A848

split-complementary

#375EA8 #A84837 #96A837

monochromatic

#192A4C #28447A #375EA8 #557CC7 #83A0D6

Accessibility & contrast

On white

6.31

#375EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#375EA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EA8

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EA8	#FFFFFF	#000000	##FFFFFF
##375EA8	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65AB

Deuteranopia (green-blind)

#285BA6

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375ea8;
/* rgb */ color: rgb(55, 94, 168);
/* oklch */ color: oklch(49.2% 0.127 261.9);

Tailwind

colors: {
  custom: {
    50: '#7a8bc2',
    500: '#375ea8',
    950: '#000000',
  },
}

SCSS

$custom: #375ea8;
$custom-light: #7a8bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#375ea8",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 168
  },
  "hsl": {
    "h": 219.292,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49189,
    "c": 0.12667,
    "h": 261.9
  },
  "luminance": 0.11645
}

Semantic roles & 50–950 ramp

primary

#375EA8

secondary

#C0A87B

accent

#AA4EDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375EA8

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

Preview Lab → · Contrast checker → · Palette generator →