#375581#375581

#375581 is a dark, moderate blue. Relative luminance 0.089; OKLCH L 44.7% C 0.081 H 257.9°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#375581
RGB	rgb(55, 85, 129)
HSL	hsl(216, 40%, 36%)
HSV	hsv(216, 57%, 51%)
CMYK	cmyk(57.4%, 34.1%, 0%, 49.4%)
CIE-LAB	lab(35.78, 2.89, -28.12)
CIE-LCH	lch(35.78, 28.27, 275.86°)
OKLab	oklab(44.7% -0.0171 -0.0793)
OKLCH	oklch(44.7% 0.081 257.9)
XYZ	xyz(8.7851, 8.8935, 22.0183)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375581 #816337

analogous

#377A81 #375581 #3E3781

triadic

#375581 #813755 #558137

tetradic

#375581 #81377A #816337 #37813E

square

#375581 #81377A #816337 #37813E

split-complementary

#375581 #813E37 #7A8137

monochromatic

#121C2B #253956 #375581 #4971AC #7091C2

Accessibility & contrast

On white

7.56

#375581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#375581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #375581

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375581	#FFFFFF	#000000	##FFFFFF
##375581	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435883

Deuteranopia (green-blind)

#3A5180

Tritanopia (blue-blind)

#065F65

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #375581;
/* rgb */ color: rgb(55, 85, 129);
/* oklch */ color: oklch(44.7% 0.081 257.9);

Tailwind

colors: {
  custom: {
    50: '#7484a6',
    500: '#375581',
    950: '#000000',
  },
}

SCSS

$custom: #375581;
$custom-light: #7484a6;
$custom-dark: #000000;

JSON

{
  "hex": "#375581",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 129
  },
  "hsl": {
    "h": 215.676,
    "s": 40.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44702,
    "c": 0.08113,
    "h": 257.9
  },
  "luminance": 0.08894
}

Semantic roles & 50–950 ramp

primary

#375581

secondary

#AB9069

accent

#9F58D0

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #375581

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

Preview Lab → · Contrast checker → · Palette generator →