#356B9D#356B9D

#356B9D is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.4% C 0.098 H 248.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#356B9D
RGB	rgb(53, 107, 157)
HSL	hsl(209, 50%, 41%)
HSV	hsv(209, 66%, 62%)
CMYK	cmyk(66.2%, 31.8%, 0%, 38.4%)
CIE-LAB	lab(43.81, -1.44, -32.39)
CIE-LCH	lch(43.81, 32.42, 267.45°)
OKLab	oklab(51.43% -0.0357 -0.0916)
OKLCH	oklch(51.43% 0.098 248.7)
XYZ	xyz(12.8094, 13.7053, 33.8621)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356B9D #9D6735

analogous

#359D9B #356B9D #35379D

triadic

#356B9D #9D356B #6B9D35

tetradic

#356B9D #9B359D #9D6735 #379D35

square

#356B9D #9B359D #9D6735 #379D35

split-complementary

#356B9D #9D3537 #9D9B35

monochromatic

#162D41 #264C6F #356B9D #4C8AC3 #7AA8D2

Accessibility & contrast

On white

5.61

#356B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#356B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356B9D

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356B9D	#FFFFFF	#000000	##FFFFFF
##356B9D	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556D9F

Deuteranopia (green-blind)

#47639C

Tritanopia (blue-blind)

#00777D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #356b9d;
/* rgb */ color: rgb(53, 107, 157);
/* oklch */ color: oklch(51.4% 0.098 248.7);

Tailwind

colors: {
  custom: {
    50: '#7795ba',
    500: '#356b9d',
    950: '#000000',
  },
}

SCSS

$custom: #356b9d;
$custom-light: #7795ba;
$custom-dark: #000000;

JSON

{
  "hex": "#356b9d",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 157
  },
  "hsl": {
    "h": 208.846,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51433,
    "c": 0.09828,
    "h": 248.7
  },
  "luminance": 0.13707
}

Semantic roles & 50–950 ramp

primary

#356B9D

secondary

#BB9673

accent

#914FD9

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #356B9D

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

Preview Lab → · Contrast checker → · Palette generator →