#357BCF#357BCF

#357BCF is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.147 H 254.9°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#357BCF
RGB	rgb(53, 123, 207)
HSL	hsl(213, 62%, 51%)
HSV	hsv(213, 74%, 81%)
CMYK	cmyk(74.4%, 40.6%, 0%, 18.8%)
CIE-LAB	lab(51.18, 6.87, -49.70)
CIE-LCH	lch(51.18, 50.17, 277.87°)
OKLab	oklab(58.07% -0.0384 -0.1419)
OKLCH	oklch(58.07% 0.147 254.9)
XYZ	xyz(19.8095, 19.4255, 61.7249)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BCF #CF8935

analogous

#35C8CF #357BCF #3C35CF

triadic

#357BCF #CF357B #7BCF35

tetradic

#357BCF #CF35C8 #CF8935 #35CF3C

square

#357BCF #CF35C8 #CF8935 #35CF3C

split-complementary

#357BCF #CF3C35 #C8CF35

monochromatic

#1A416F #265EA1 #357BCF #669BDB #98BCE7

Accessibility & contrast

On white

4.30

#357BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#357BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BCF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BCF	#FFFFFF	#000000	##000000
##357BCF	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5382D2

Deuteranopia (green-blind)

#3973CD

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357bcf;
/* rgb */ color: rgb(53, 123, 207);
/* oklch */ color: oklch(58.1% 0.147 254.9);

Tailwind

colors: {
  custom: {
    50: '#80a0de',
    500: '#357bcf',
    950: '#000000',
  },
}

SCSS

$custom: #357bcf;
$custom-light: #80a0de;
$custom-dark: #000000;

JSON

{
  "hex": "#357bcf",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 207
  },
  "hsl": {
    "h": 212.727,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58069,
    "c": 0.14704,
    "h": 254.9
  },
  "luminance": 0.19428
}

Semantic roles & 50–950 ramp

primary

#357BCF

secondary

#D2B38E

accent

#9B43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #357BCF

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

Preview Lab → · Contrast checker → · Palette generator →