#357DBB#357DBB

#357DBB is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.120 H 247.7°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#357DBB
RGB	rgb(53, 125, 187)
HSL	hsl(208, 56%, 47%)
HSV	hsv(208, 72%, 73%)
CMYK	cmyk(71.7%, 33.2%, 0%, 26.7%)
CIE-LAB	lab(50.70, -1.60, -39.03)
CIE-LCH	lch(50.70, 39.06, 267.65°)
OKLab	oklab(57.35% -0.0453 -0.1107)
OKLCH	oklch(57.35% 0.12 247.7)
XYZ	xyz(17.7681, 19.0100, 49.7370)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DBB #BB7335

analogous

#35BBB6 #357DBB #353ABB

triadic

#357DBB #BB357D #7DBB35

tetradic

#357DBB #B635BB #BB7335 #3ABB35

square

#357DBB #B635BB #BB7335 #3ABB35

split-complementary

#357DBB #BB353A #BBB635

monochromatic

#1A3D5C #275D8B #357DBB #5C9BD1 #8CB8DE

Accessibility & contrast

On white

4.37

#357DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#357DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DBB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DBB	#FFFFFF	#000000	##000000
##357DBB	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6180BE

Deuteranopia (green-blind)

#4E73BA

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357dbb;
/* rgb */ color: rgb(53, 125, 187);
/* oklch */ color: oklch(57.3% 0.120 247.7);

Tailwind

colors: {
  custom: {
    50: '#7da2d0',
    500: '#357dbb',
    950: '#000000',
  },
}

SCSS

$custom: #357dbb;
$custom-light: #7da2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#357dbb",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 187
  },
  "hsl": {
    "h": 207.761,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57345,
    "c": 0.11961,
    "h": 247.7
  },
  "luminance": 0.19012
}

Semantic roles & 50–950 ramp

primary

#357DBB

secondary

#C9A383

accent

#8E49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #357DBB

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

Preview Lab → · Contrast checker → · Palette generator →