#375D9F#375D9F

#375D9F is a mid, moderate blue. Relative luminance 0.111; OKLCH L 48.4% C 0.115 H 260.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#375D9F
RGB	rgb(55, 93, 159)
HSL	hsl(218, 49%, 42%)
HSV	hsv(218, 65%, 62%)
CMYK	cmyk(65.4%, 41.5%, 0%, 37.6%)
CIE-LAB	lab(39.82, 8.44, -39.88)
CIE-LCH	lch(39.82, 40.76, 281.96°)
OKLab	oklab(48.38% -0.0186 -0.1136)
OKLCH	oklch(48.38% 0.115 260.7)
XYZ	xyz(11.7457, 11.1430, 34.3260)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375D9F #9F7937

analogous

#37919F #375D9F #45379F

triadic

#375D9F #9F375D #5D9F37

tetradic

#375D9F #9F3791 #9F7937 #379F45

square

#375D9F #9F3791 #9F7937 #379F45

split-complementary

#375D9F #9F4537 #919F37

monochromatic

#182844 #274272 #375D9F #517AC3 #7E9DD2

Accessibility & contrast

On white

6.50

#375D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#375D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375D9F

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375D9F	#FFFFFF	#000000	##FFFFFF
##375D9F	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)

#3F63A2

Deuteranopia (green-blind)

#30599E

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #375d9f;
/* rgb */ color: rgb(55, 93, 159);
/* oklch */ color: oklch(48.4% 0.115 260.7);

Tailwind

colors: {
  custom: {
    50: '#798abc',
    500: '#375d9f',
    950: '#000000',
  },
}

SCSS

$custom: #375d9f;
$custom-light: #798abc;
$custom-dark: #000000;

JSON

{
  "hex": "#375d9f",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 159
  },
  "hsl": {
    "h": 218.077,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48381,
    "c": 0.1151,
    "h": 260.7
  },
  "luminance": 0.11144
}

Semantic roles & 50–950 ramp

primary

#375D9F

secondary

#BCA276

accent

#A650D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375D9F

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

Preview Lab → · Contrast checker → · Palette generator →