#357ED0#357ED0

#357ED0 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.8% C 0.145 H 253.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#357ED0
RGB	rgb(53, 126, 208)
HSL	hsl(212, 62%, 51%)
HSV	hsv(212, 75%, 82%)
CMYK	cmyk(74.5%, 39.4%, 0%, 18.4%)
CIE-LAB	lab(52.10, 5.40, -48.80)
CIE-LCH	lch(52.10, 49.10, 276.32°)
OKLab	oklab(58.8% -0.0408 -0.1393)
OKLCH	oklch(58.8% 0.145 253.7)
XYZ	xyz(20.3100, 20.2303, 62.4967)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357ED0 #D08735

analogous

#35CBD0 #357ED0 #3935D0

triadic

#357ED0 #D0357E #7ED035

tetradic

#357ED0 #D035CB #D08735 #35D039

square

#357ED0 #D035CB #D08735 #35D039

split-complementary

#357ED0 #D03935 #CBD035

monochromatic

#1A4370 #2660A2 #357ED0 #679EDC #98BDE7

Accessibility & contrast

On white

4.16

#357ED0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#357ED0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357ED0

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357ED0	#FFFFFF	#000000	##000000
##357ED0	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D3

Deuteranopia (green-blind)

#3E76CE

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #357ed0;
/* rgb */ color: rgb(53, 126, 208);
/* oklch */ color: oklch(58.8% 0.145 253.7);

Tailwind

colors: {
  custom: {
    50: '#81a2df',
    500: '#357ed0',
    950: '#000000',
  },
}

SCSS

$custom: #357ed0;
$custom-light: #81a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#357ed0",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 208
  },
  "hsl": {
    "h": 211.742,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.588,
    "c": 0.14514,
    "h": 253.7
  },
  "luminance": 0.20233
}

Semantic roles & 50–950 ramp

primary

#357ED0

secondary

#D3B28E

accent

#9942E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #357ED0

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

Preview Lab → · Contrast checker → · Palette generator →