#357CB1#357CB1

#357CB1 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.108 H 244.1°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#357CB1
RGB	rgb(53, 124, 177)
HSL	hsl(206, 54%, 45%)
HSV	hsv(206, 70%, 69%)
CMYK	cmyk(70.1%, 29.9%, 0%, 30.6%)
CIE-LAB	lab(49.91, -4.57, -34.50)
CIE-LCH	lch(49.91, 34.81, 262.46°)
OKLab	oklab(56.56% -0.0473 -0.0975)
OKLCH	oklch(56.56% 0.108 244.1)
XYZ	xyz(16.6086, 18.3447, 44.2520)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CB1 #B16A35

analogous

#35B1A8 #357CB1 #353EB1

triadic

#357CB1 #B1357C #7CB135

tetradic

#357CB1 #A835B1 #B16A35 #3EB135

square

#357CB1 #A835B1 #B16A35 #3EB135

split-complementary

#357CB1 #B1353E #B1A835

monochromatic

#193A53 #275B82 #357CB1 #579ACD #86B6DB

Accessibility & contrast

On white

4.50

#357CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#357CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CB1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CB1	#FFFFFF	#000000	##000000
##357CB1	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)

#647DB3

Deuteranopia (green-blind)

#5371B0

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357cb1;
/* rgb */ color: rgb(53, 124, 177);
/* oklch */ color: oklch(56.6% 0.108 244.1);

Tailwind

colors: {
  custom: {
    50: '#7ba1c8',
    500: '#357cb1',
    950: '#000000',
  },
}

SCSS

$custom: #357cb1;
$custom-light: #7ba1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#357cb1",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 177
  },
  "hsl": {
    "h": 205.645,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56564,
    "c": 0.1084,
    "h": 244.1
  },
  "luminance": 0.18347
}

Semantic roles & 50–950 ramp

primary

#357CB1

secondary

#C49C7D

accent

#894BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #357CB1

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

Preview Lab → · Contrast checker → · Palette generator →