#356AB3#356AB3

#356AB3 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.5% C 0.129 H 257.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#356AB3
RGB	rgb(53, 106, 179)
HSL	hsl(215, 54%, 45%)
HSV	hsv(215, 70%, 70%)
CMYK	cmyk(70.4%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(44.69, 7.15, -43.93)
CIE-LCH	lch(44.69, 44.51, 279.25°)
OKLab	oklab(52.5% -0.0289 -0.1253)
OKLCH	oklch(52.5% 0.129 257)
XYZ	xyz(14.7560, 14.3181, 44.6251)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AB3 #B37E35

analogous

#35A9B3 #356AB3 #3F35B3

triadic

#356AB3 #B3356A #6AB335

tetradic

#356AB3 #B335A9 #B37E35 #35B33F

square

#356AB3 #B335A9 #B37E35 #35B33F

split-complementary

#356AB3 #B33F35 #A9B335

monochromatic

#193255 #274E84 #356AB3 #5889CD #87AADB

Accessibility & contrast

On white

5.43

#356AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#356AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AB3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AB3	#FFFFFF	#000000	##FFFFFF
##356AB3	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4870B6

Deuteranopia (green-blind)

#3464B2

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356ab3;
/* rgb */ color: rgb(53, 106, 179);
/* oklch */ color: oklch(52.5% 0.129 257.0);

Tailwind

colors: {
  custom: {
    50: '#7b94ca',
    500: '#356ab3',
    950: '#000000',
  },
}

SCSS

$custom: #356ab3;
$custom-light: #7b94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#356ab3",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 214.762,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52503,
    "c": 0.1286,
    "h": 257
  },
  "luminance": 0.1432
}

Semantic roles & 50–950 ramp

primary

#356AB3

secondary

#C5A87F

accent

#A04ADE

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356AB3

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

Preview Lab → · Contrast checker → · Palette generator →