#357EB8#357EB8

#357EB8 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.115 H 245.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#357EB8
RGB	rgb(53, 126, 184)
HSL	hsl(207, 55%, 46%)
HSV	hsv(207, 71%, 72%)
CMYK	cmyk(71.2%, 31.5%, 0%, 27.8%)
CIE-LAB	lab(50.85, -3.27, -37.07)
CIE-LCH	lch(50.85, 37.22, 264.96°)
OKLab	oklab(57.41% -0.0472 -0.105)
OKLCH	oklch(57.41% 0.115 245.8)
XYZ	xyz(17.5775, 19.1373, 48.1056)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EB8 #B86F35

analogous

#35B8B1 #357EB8 #353DB8

triadic

#357EB8 #B8357E #7EB835

tetradic

#357EB8 #B135B8 #B86F35 #3DB835

square

#357EB8 #B135B8 #B86F35 #3DB835

split-complementary

#357EB8 #B8353D #B8B135

monochromatic

#1A3D59 #275D88 #357EB8 #5B9CD0 #8AB8DD

Accessibility & contrast

On white

4.35

#357EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#357EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EB8

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EB8	#FFFFFF	#000000	##000000
##357EB8	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6480BB

Deuteranopia (green-blind)

#5273B7

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357eb8;
/* rgb */ color: rgb(53, 126, 184);
/* oklch */ color: oklch(57.4% 0.115 245.8);

Tailwind

colors: {
  custom: {
    50: '#7ca3cd',
    500: '#357eb8',
    950: '#000000',
  },
}

SCSS

$custom: #357eb8;
$custom-light: #7ca3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#357eb8",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 206.565,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57413,
    "c": 0.11509,
    "h": 245.8
  },
  "luminance": 0.19139
}

Semantic roles & 50–950 ramp

primary

#357EB8

secondary

#C7A081

accent

#8B49DF

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #357EB8

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

Preview Lab → · Contrast checker → · Palette generator →