#356DBB#356DBB

#356DBB is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.7% C 0.136 H 257.3°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#356DBB
RGB	rgb(53, 109, 187)
HSL	hsl(215, 56%, 47%)
HSV	hsv(215, 72%, 73%)
CMYK	cmyk(71.7%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(46.02, 8.21, -46.46)
CIE-LCH	lch(46.02, 47.18, 280.02°)
OKLab	oklab(53.69% -0.03 -0.1327)
OKLCH	oklch(53.69% 0.136 257.3)
XYZ	xyz(15.9032, 15.2803, 49.1153)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DBB #BB8335

analogous

#35B0BB #356DBB #4035BB

triadic

#356DBB #BB356D #6DBB35

tetradic

#356DBB #BB35B0 #BB8335 #35BB40

square

#356DBB #BB35B0 #BB8335 #35BB40

split-complementary

#356DBB #BB4035 #B0BB35

monochromatic

#1A355C #27518B #356DBB #5C8DD1 #8CAEDE

Accessibility & contrast

On white

5.18

#356DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#356DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DBB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DBB	#FFFFFF	#000000	##FFFFFF
##356DBB	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4874BE

Deuteranopia (green-blind)

#3267B9

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356dbb;
/* rgb */ color: rgb(53, 109, 187);
/* oklch */ color: oklch(53.7% 0.136 257.3);

Tailwind

colors: {
  custom: {
    50: '#7d96d0',
    500: '#356dbb',
    950: '#000000',
  },
}

SCSS

$custom: #356dbb;
$custom-light: #7d96d0;
$custom-dark: #000000;

JSON

{
  "hex": "#356dbb",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 214.925,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53685,
    "c": 0.13604,
    "h": 257.3
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#356DBB

secondary

#C9AC83

accent

#A049DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356DBB

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

Preview Lab → · Contrast checker → · Palette generator →