#357BB0#357BB0

#357BB0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.108 H 244.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#357BB0
RGB	rgb(53, 123, 176)
HSL	hsl(206, 54%, 45%)
HSV	hsv(206, 70%, 69%)
CMYK	cmyk(69.9%, 30.1%, 0%, 31%)
CIE-LAB	lab(49.56, -4.33, -34.47)
CIE-LCH	lch(49.56, 34.74, 262.84°)
OKLab	oklab(56.27% -0.0466 -0.0974)
OKLCH	oklch(56.27% 0.108 244.4)
XYZ	xyz(16.3846, 18.0556, 43.6875)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BB0 #B06A35

analogous

#35B0A8 #357BB0 #353DB0

triadic

#357BB0 #B0357B #7BB035

tetradic

#357BB0 #A835B0 #B06A35 #3DB035

square

#357BB0 #A835B0 #B06A35 #3DB035

split-complementary

#357BB0 #B0353D #B0A835

monochromatic

#193952 #275A81 #357BB0 #5699CC #85B6DA

Accessibility & contrast

On white

4.55

#357BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#357BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BB0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BB0	#FFFFFF	#000000	##000000
##357BB0	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB2

Deuteranopia (green-blind)

#5271AF

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #357bb0;
/* rgb */ color: rgb(53, 123, 176);
/* oklch */ color: oklch(56.3% 0.108 244.4);

Tailwind

colors: {
  custom: {
    50: '#7ba1c8',
    500: '#357bb0',
    950: '#000000',
  },
}

SCSS

$custom: #357bb0;
$custom-light: #7ba1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#357bb0",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 205.854,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56273,
    "c": 0.10802,
    "h": 244.4
  },
  "luminance": 0.18057
}

Semantic roles & 50–950 ramp

primary

#357BB0

secondary

#C49B7D

accent

#8A4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #357BB0

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

Preview Lab → · Contrast checker → · Palette generator →