#356DA5#356DA5

#356DA5 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.4% C 0.107 H 250.6°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#356DA5
RGB	rgb(53, 109, 165)
HSL	hsl(210, 51%, 43%)
HSV	hsv(210, 68%, 65%)
CMYK	cmyk(67.9%, 33.9%, 0%, 35.3%)
CIE-LAB	lab(44.81, 0.19, -35.52)
CIE-LCH	lch(44.81, 35.52, 270.31°)
OKLab	oklab(52.36% -0.0355 -0.1007)
OKLCH	oklch(52.36% 0.107 250.6)
XYZ	xyz(13.7259, 14.4094, 37.6479)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DA5 #A56D35

analogous

#35A5A5 #356DA5 #3535A5

triadic

#356DA5 #A5356D #6DA535

tetradic

#356DA5 #A535A5 #A56D35 #35A535

square

#356DA5 #A535A5 #A56D35 #35A535

split-complementary

#356DA5 #A53535 #A5A535

monochromatic

#173048 #264E77 #356DA5 #508CC7 #7FAAD6

Accessibility & contrast

On white

5.41

#356DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#356DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DA5

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DA5	#FFFFFF	#000000	##FFFFFF
##356DA5	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5470A7

Deuteranopia (green-blind)

#4565A4

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356da5;
/* rgb */ color: rgb(53, 109, 165);
/* oklch */ color: oklch(52.4% 0.107 250.6);

Tailwind

colors: {
  custom: {
    50: '#7996c0',
    500: '#356da5',
    950: '#000000',
  },
}

SCSS

$custom: #356da5;
$custom-light: #7996c0;
$custom-dark: #000000;

JSON

{
  "hex": "#356da5",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 165
  },
  "hsl": {
    "h": 210,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52356,
    "c": 0.10674,
    "h": 250.6
  },
  "luminance": 0.14411
}

Semantic roles & 50–950 ramp

primary

#356DA5

secondary

#BF9B77

accent

#944DDB

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #356DA5

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

Preview Lab → · Contrast checker → · Palette generator →