#357BB2#357BB2

#357BB2 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.110 H 245.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#357BB2
RGB	rgb(53, 123, 178)
HSL	hsl(206, 54%, 45%)
HSV	hsv(206, 70%, 70%)
CMYK	cmyk(70.2%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(49.66, -3.62, -35.48)
CIE-LCH	lch(49.66, 35.66, 264.17°)
OKLab	oklab(56.38% -0.046 -0.1004)
OKLCH	oklch(56.38% 0.11 245.4)
XYZ	xyz(16.5840, 18.1354, 44.7373)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BB2 #B26C35

analogous

#35B2AB #357BB2 #353CB2

triadic

#357BB2 #B2357B #7BB235

tetradic

#357BB2 #AB35B2 #B26C35 #3CB235

square

#357BB2 #AB35B2 #B26C35 #3CB235

split-complementary

#357BB2 #B2353C #B2AB35

monochromatic

#193A54 #275A83 #357BB2 #5799CD #86B6DB

Accessibility & contrast

On white

4.54

#357BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#357BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BB2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BB2	#FFFFFF	#000000	##000000
##357BB2	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)

#627DB4

Deuteranopia (green-blind)

#5171B1

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #357bb2;
/* rgb */ color: rgb(53, 123, 178);
/* oklch */ color: oklch(56.4% 0.110 245.4);

Tailwind

colors: {
  custom: {
    50: '#7ba0c9',
    500: '#357bb2',
    950: '#000000',
  },
}

SCSS

$custom: #357bb2;
$custom-light: #7ba0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#357bb2",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 206.4,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56381,
    "c": 0.11041,
    "h": 245.4
  },
  "luminance": 0.18137
}

Semantic roles & 50–950 ramp

primary

#357BB2

secondary

#C59D7E

accent

#8B4ADD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #357BB2

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

Preview Lab → · Contrast checker → · Palette generator →