#357DB2#357DB2

#357DB2 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.109 H 243.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#357DB2
RGB	rgb(53, 125, 178)
HSL	hsl(205, 54%, 45%)
HSV	hsv(205, 70%, 70%)
CMYK	cmyk(70.2%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(50.26, -4.80, -34.54)
CIE-LCH	lch(50.26, 34.87, 262.08°)
OKLab	oklab(56.85% -0.048 -0.0976)
OKLCH	oklch(56.85% 0.109 243.8)
XYZ	xyz(16.8346, 18.6366, 44.8209)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DB2 #B26A35

analogous

#35B2A8 #357DB2 #353EB2

triadic

#357DB2 #B2357D #7DB235

tetradic

#357DB2 #A835B2 #B26A35 #3EB235

square

#357DB2 #A835B2 #B26A35 #3EB235

split-complementary

#357DB2 #B2353E #B2A835

monochromatic

#193B54 #275C83 #357DB2 #579BCD #86B7DB

Accessibility & contrast

On white

4.44

#357DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#357DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DB2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DB2	#FFFFFF	#000000	##000000
##357DB2	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB4

Deuteranopia (green-blind)

#5472B1

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357db2;
/* rgb */ color: rgb(53, 125, 178);
/* oklch */ color: oklch(56.9% 0.109 243.8);

Tailwind

colors: {
  custom: {
    50: '#7ba2c9',
    500: '#357db2',
    950: '#000000',
  },
}

SCSS

$custom: #357db2;
$custom-light: #7ba2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#357db2",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 205.44,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56854,
    "c": 0.10878,
    "h": 243.8
  },
  "luminance": 0.18638
}

Semantic roles & 50–950 ramp

primary

#357DB2

secondary

#C59C7E

accent

#894ADD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #357DB2

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

Preview Lab → · Contrast checker → · Palette generator →