#357DB1#357DB1

#357DB1 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.108 H 243.3°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#357DB1
RGB	rgb(53, 125, 177)
HSL	hsl(205, 54%, 45%)
HSV	hsv(205, 70%, 69%)
CMYK	cmyk(70.1%, 29.4%, 0%, 30.6%)
CIE-LAB	lab(50.21, -5.16, -34.03)
CIE-LCH	lch(50.21, 34.42, 261.38°)
OKLab	oklab(56.8% -0.0483 -0.0961)
OKLCH	oklch(56.8% 0.108 243.3)
XYZ	xyz(16.7346, 18.5966, 44.2940)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DB1 #B16935

analogous

#35B1A7 #357DB1 #353FB1

triadic

#357DB1 #B1357D #7DB135

tetradic

#357DB1 #A735B1 #B16935 #3FB135

square

#357DB1 #A735B1 #B16935 #3FB135

split-complementary

#357DB1 #B1353F #B1A735

monochromatic

#193A53 #275C82 #357DB1 #579BCD #86B7DB

Accessibility & contrast

On white

4.45

#357DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#357DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DB1

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DB1	#FFFFFF	#000000	##000000
##357DB1	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB3

Deuteranopia (green-blind)

#5472B0

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357db1;
/* rgb */ color: rgb(53, 125, 177);
/* oklch */ color: oklch(56.8% 0.108 243.3);

Tailwind

colors: {
  custom: {
    50: '#7ba2c8',
    500: '#357db1',
    950: '#000000',
  },
}

SCSS

$custom: #357db1;
$custom-light: #7ba2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#357db1",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 177
  },
  "hsl": {
    "h": 205.161,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56801,
    "c": 0.10762,
    "h": 243.3
  },
  "luminance": 0.18598
}

Semantic roles & 50–950 ramp

primary

#357DB1

secondary

#C49B7D

accent

#884BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #357DB1

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

Preview Lab → · Contrast checker → · Palette generator →