#357FDA#357FDA

#357FDA is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.6% C 0.157 H 255.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#357FDA
RGB	rgb(53, 127, 218)
HSL	hsl(213, 69%, 53%)
HSV	hsv(213, 76%, 85%)
CMYK	cmyk(75.7%, 41.7%, 0%, 14.5%)
CIE-LAB	lab(52.94, 8.46, -53.10)
CIE-LCH	lch(52.94, 53.77, 279.05°)
OKLab	oklab(59.64% -0.0395 -0.1519)
OKLCH	oklch(59.64% 0.157 255.4)
XYZ	xyz(21.7078, 20.9951, 69.2245)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357FDA #DA9035

analogous

#35D1DA #357FDA #3D35DA

triadic

#357FDA #DA357F #7FDA35

tetradic

#357FDA #DA35D1 #DA9035 #35DA3D

square

#357FDA #DA35D1 #DA9035 #35DA3D

split-complementary

#357FDA #DA3D35 #D1DA35

monochromatic

#17457E #2061B1 #357FDA #69A0E3 #9CC1ED

Accessibility & contrast

On white

4.04

#357FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#357FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FDA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357FDA	#FFFFFF	#000000	##000000
##357FDA	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5287DE

Deuteranopia (green-blind)

#3577D8

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #357fda;
/* rgb */ color: rgb(53, 127, 218);
/* oklch */ color: oklch(59.6% 0.157 255.4);

Tailwind

colors: {
  custom: {
    50: '#83a3e6',
    500: '#357fda',
    950: '#000000',
  },
}

SCSS

$custom: #357fda;
$custom-light: #83a3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#357fda",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 218
  },
  "hsl": {
    "h": 213.091,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59643,
    "c": 0.15694,
    "h": 255.4
  },
  "luminance": 0.20998
}

Semantic roles & 50–950 ramp

primary

#357FDA

secondary

#D9B992

accent

#9D3CEC

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #357FDA

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

Preview Lab → · Contrast checker → · Palette generator →