#357BB7#357BB7

#357BB7 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.7% C 0.116 H 247.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#357BB7
RGB	rgb(53, 123, 183)
HSL	hsl(208, 55%, 46%)
HSV	hsv(208, 71%, 72%)
CMYK	cmyk(71%, 32.8%, 0%, 28.2%)
CIE-LAB	lab(49.91, -1.84, -37.98)
CIE-LCH	lch(49.91, 38.02, 267.23°)
OKLab	oklab(56.66% -0.0445 -0.1076)
OKLCH	oklch(56.66% 0.116 247.5)
XYZ	xyz(17.0952, 18.3398, 47.4296)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BB7 #B77135

analogous

#35B7B2 #357BB7 #353AB7

triadic

#357BB7 #B7357B #7BB735

tetradic

#357BB7 #B235B7 #B77135 #3AB735

square

#357BB7 #B235B7 #B77135 #3AB735

split-complementary

#357BB7 #B7353A #B7B235

monochromatic

#1A3B58 #275B88 #357BB7 #5A99CF #89B6DD

Accessibility & contrast

On white

4.50

#357BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#357BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BB7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BB7	#FFFFFF	#000000	##000000
##357BB7	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607DBA

Deuteranopia (green-blind)

#4E71B6

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357bb7;
/* rgb */ color: rgb(53, 123, 183);
/* oklch */ color: oklch(56.7% 0.116 247.5);

Tailwind

colors: {
  custom: {
    50: '#7ca0cd',
    500: '#357bb7',
    950: '#000000',
  },
}

SCSS

$custom: #357bb7;
$custom-light: #7ca0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#357bb7",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 183
  },
  "hsl": {
    "h": 207.692,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56655,
    "c": 0.11649,
    "h": 247.5
  },
  "luminance": 0.18342
}

Semantic roles & 50–950 ramp

primary

#357BB7

secondary

#C7A181

accent

#8E49DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #357BB7

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

Preview Lab → · Contrast checker → · Palette generator →