#375BA9#375BA9

#375BA9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.132 H 263.6°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#375BA9
RGB	rgb(55, 91, 169)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 67%, 66%)
CMYK	cmyk(67.5%, 46.2%, 0%, 33.7%)
CIE-LAB	lab(39.84, 13.39, -45.78)
CIE-LCH	lch(39.84, 47.70, 286.31°)
OKLab	oklab(48.6% -0.0147 -0.1309)
OKLCH	oklch(48.6% 0.132 263.6)
XYZ	xyz(12.4756, 11.1578, 39.0246)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BA9 #A98537

analogous

#3794A9 #375BA9 #4C37A9

triadic

#375BA9 #A9375B #5BA937

tetradic

#375BA9 #A93794 #A98537 #37A94C

square

#375BA9 #A93794 #A98537 #37A94C

split-complementary

#375BA9 #A94C37 #94A937

monochromatic

#19294D #28427B #375BA9 #557AC8 #849ED7

Accessibility & contrast

On white

6.50

#375BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#375BA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BA9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BA9	#FFFFFF	#000000	##FFFFFF
##375BA9	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3463AC

Deuteranopia (green-blind)

#1F59A7

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375ba9;
/* rgb */ color: rgb(55, 91, 169);
/* oklch */ color: oklch(48.6% 0.132 263.6);

Tailwind

colors: {
  custom: {
    50: '#7a88c3',
    500: '#375ba9',
    950: '#000000',
  },
}

SCSS

$custom: #375ba9;
$custom-light: #7a88c3;
$custom-dark: #000000;

JSON

{
  "hex": "#375ba9",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 169
  },
  "hsl": {
    "h": 221.053,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48595,
    "c": 0.13177,
    "h": 263.6
  },
  "luminance": 0.11159
}

Semantic roles & 50–950 ramp

primary

#375BA9

secondary

#C0AB7B

accent

#AE4DDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375BA9

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

Preview Lab → · Contrast checker → · Palette generator →