#357AB8#357AB8

#357AB8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.119 H 248.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#357AB8
RGB	rgb(53, 122, 184)
HSL	hsl(208, 55%, 46%)
HSV	hsv(208, 71%, 72%)
CMYK	cmyk(71.2%, 33.7%, 0%, 27.8%)
CIE-LAB	lab(49.66, -0.88, -38.94)
CIE-LCH	lch(49.66, 38.95, 268.70°)
OKLab	oklab(56.48% -0.0432 -0.1105)
OKLCH	oklch(56.48% 0.119 248.6)
XYZ	xyz(17.0762, 18.1348, 47.9385)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AB8 #B87335

analogous

#35B8B5 #357AB8 #3539B8

triadic

#357AB8 #B8357A #7AB835

tetradic

#357AB8 #B535B8 #B87335 #39B835

square

#357AB8 #B535B8 #B87335 #39B835

split-complementary

#357AB8 #B83539 #B8B535

monochromatic

#1A3B59 #275A88 #357AB8 #5B98D0 #8AB6DD

Accessibility & contrast

On white

4.54

#357AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#357AB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357AB8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AB8	#FFFFFF	#000000	##000000
##357AB8	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7DBB

Deuteranopia (green-blind)

#4B71B7

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #357ab8;
/* rgb */ color: rgb(53, 122, 184);
/* oklch */ color: oklch(56.5% 0.119 248.6);

Tailwind

colors: {
  custom: {
    50: '#7ca0cd',
    500: '#357ab8',
    950: '#000000',
  },
}

SCSS

$custom: #357ab8;
$custom-light: #7ca0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#357ab8",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 184
  },
  "hsl": {
    "h": 208.397,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56478,
    "c": 0.11864,
    "h": 248.6
  },
  "luminance": 0.18137
}

Semantic roles & 50–950 ramp

primary

#357AB8

secondary

#C7A381

accent

#9049DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #357AB8

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

Preview Lab → · Contrast checker → · Palette generator →