#357FB9#357FB9

#357FB9 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.115 H 245.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#357FB9
RGB	rgb(53, 127, 185)
HSL	hsl(206, 55%, 47%)
HSV	hsv(206, 71%, 73%)
CMYK	cmyk(71.4%, 31.4%, 0%, 27.5%)
CIE-LAB	lab(51.19, -3.50, -37.10)
CIE-LCH	lch(51.19, 37.27, 264.60°)
OKLab	oklab(57.7% -0.0479 -0.105)
OKLCH	oklch(57.7% 0.115 245.5)
XYZ	xyz(17.8112, 19.4364, 48.7024)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357FB9 #B96F35

analogous

#35B9B1 #357FB9 #353DB9

triadic

#357FB9 #B9357F #7FB935

tetradic

#357FB9 #B135B9 #B96F35 #3DB935

square

#357FB9 #B135B9 #B96F35 #3DB935

split-complementary

#357FB9 #B9353D #B9B135

monochromatic

#1A3E5A #275E89 #357FB9 #5B9DD0 #8BB9DE

Accessibility & contrast

On white

4.30

#357FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#357FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FB9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357FB9	#FFFFFF	#000000	##000000
##357FB9	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)

#6581BC

Deuteranopia (green-blind)

#5274B8

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357fb9;
/* rgb */ color: rgb(53, 127, 185);
/* oklch */ color: oklch(57.7% 0.115 245.5);

Tailwind

colors: {
  custom: {
    50: '#7ca3ce',
    500: '#357fb9',
    950: '#000000',
  },
}

SCSS

$custom: #357fb9;
$custom-light: #7ca3ce;
$custom-dark: #000000;

JSON

{
  "hex": "#357fb9",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 185
  },
  "hsl": {
    "h": 206.364,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57702,
    "c": 0.11544,
    "h": 245.5
  },
  "luminance": 0.19438
}

Semantic roles & 50–950 ramp

primary

#357FB9

secondary

#C8A182

accent

#8B49DF

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #357FB9

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

Preview Lab → · Contrast checker → · Palette generator →