#357EB1#357EB1

#357EB1 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.107 H 242.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#357EB1
RGB	rgb(53, 126, 177)
HSL	hsl(205, 54%, 45%)
HSV	hsv(205, 70%, 69%)
CMYK	cmyk(70.1%, 28.8%, 0%, 30.6%)
CIE-LAB	lab(50.51, -5.74, -33.56)
CIE-LCH	lch(50.51, 34.05, 260.29°)
OKLab	oklab(57.04% -0.0494 -0.0948)
OKLCH	oklch(57.04% 0.107 242.5)
XYZ	xyz(16.8618, 18.8511, 44.3364)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EB1 #B16835

analogous

#35B1A6 #357EB1 #3540B1

triadic

#357EB1 #B1357E #7EB135

tetradic

#357EB1 #A635B1 #B16835 #40B135

square

#357EB1 #A635B1 #B16835 #40B135

split-complementary

#357EB1 #B13540 #B1A635

monochromatic

#193B53 #275C82 #357EB1 #579CCD #86B8DB

Accessibility & contrast

On white

4.40

#357EB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#357EB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EB1

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EB1	#FFFFFF	#000000	##000000
##357EB1	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB3

Deuteranopia (green-blind)

#5673B0

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357eb1;
/* rgb */ color: rgb(53, 126, 177);
/* oklch */ color: oklch(57.0% 0.107 242.5);

Tailwind

colors: {
  custom: {
    50: '#7ba3c8',
    500: '#357eb1',
    950: '#000000',
  },
}

SCSS

$custom: #357eb1;
$custom-light: #7ba3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#357eb1",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 177
  },
  "hsl": {
    "h": 204.677,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57039,
    "c": 0.10685,
    "h": 242.5
  },
  "luminance": 0.18853
}

Semantic roles & 50–950 ramp

primary

#357EB1

secondary

#C49B7D

accent

#874BDD

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #357EB1

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

Preview Lab → · Contrast checker → · Palette generator →