#357DDB#357DDB

#357DDB is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.3% C 0.160 H 256.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#357DDB
RGB	rgb(53, 125, 219)
HSL	hsl(214, 70%, 53%)
HSV	hsv(214, 76%, 86%)
CMYK	cmyk(75.8%, 42.9%, 0%, 14.1%)
CIE-LAB	lab(52.44, 10.05, -54.48)
CIE-LCH	lch(52.44, 55.40, 280.46°)
OKLab	oklab(59.27% -0.0376 -0.156)
OKLCH	oklch(59.27% 0.16 256.5)
XYZ	xyz(21.5833, 20.5361, 69.8304)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DDB #DB9335

analogous

#35D0DB #357DDB #4035DB

triadic

#357DDB #DB357D #7DDB35

tetradic

#357DDB #DB35D0 #DB9335 #35DB40

square

#357DDB #DB35D0 #DB9335 #35DB40

split-complementary

#357DDB #DB4035 #D0DB35

monochromatic

#17447F #2060B3 #357DDB #699EE4 #9DC0EE

Accessibility & contrast

On white

4.11

#357DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#357DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DDB

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DDB	#FFFFFF	#000000	##000000
##357DDB	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E85DF

Deuteranopia (green-blind)

#2F76D9

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #357ddb;
/* rgb */ color: rgb(53, 125, 219);
/* oklch */ color: oklch(59.3% 0.160 256.5);

Tailwind

colors: {
  custom: {
    50: '#83a2e7',
    500: '#357ddb',
    950: '#000000',
  },
}

SCSS

$custom: #357ddb;
$custom-light: #83a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#357ddb",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 213.976,
    "s": 69.748,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59269,
    "c": 0.16043,
    "h": 256.5
  },
  "luminance": 0.20539
}

Semantic roles & 50–950 ramp

primary

#357DDB

secondary

#DABB92

accent

#A03BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #357DDB

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

Preview Lab → · Contrast checker → · Palette generator →