#357DA9#357DA9

#357DA9 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.099 H 238.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#357DA9
RGB	rgb(53, 125, 169)
HSL	hsl(203, 52%, 44%)
HSV	hsv(203, 69%, 66%)
CMYK	cmyk(68.6%, 26%, 0%, 33.7%)
CIE-LAB	lab(49.84, -7.95, -29.98)
CIE-LCH	lch(49.84, 31.01, 255.14°)
OKLab	oklab(56.39% -0.051 -0.0844)
OKLCH	oklch(56.39% 0.099 238.9)
XYZ	xyz(15.9605, 18.2870, 40.2170)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DA9 #A96135

analogous

#35A99B #357DA9 #3543A9

triadic

#357DA9 #A9357D #7DA935

tetradic

#357DA9 #9B35A9 #A96135 #43A935

square

#357DA9 #9B35A9 #A96135 #43A935

split-complementary

#357DA9 #A93543 #A99B35

monochromatic

#18384C #265B7A #357DA9 #529CC9 #81B7D7

Accessibility & contrast

On white

4.51

#357DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#357DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DA9

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DA9	#FFFFFF	#000000	##000000
##357DA9	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAB

Deuteranopia (green-blind)

#5972A8

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357da9;
/* rgb */ color: rgb(53, 125, 169);
/* oklch */ color: oklch(56.4% 0.099 238.9);

Tailwind

colors: {
  custom: {
    50: '#7aa2c2',
    500: '#357da9',
    950: '#000000',
  },
}

SCSS

$custom: #357da9;
$custom-light: #7aa2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#357da9",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 169
  },
  "hsl": {
    "h": 202.759,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56387,
    "c": 0.09859,
    "h": 238.9
  },
  "luminance": 0.18289
}

Semantic roles & 50–950 ramp

primary

#357DA9

secondary

#C19479

accent

#834CDC

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #357DA9

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

Preview Lab → · Contrast checker → · Palette generator →