#357AB1#357AB1

#357AB1 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.110 H 245.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#357AB1
RGB	rgb(53, 122, 177)
HSL	hsl(207, 54%, 45%)
HSV	hsv(207, 70%, 69%)
CMYK	cmyk(70.1%, 31.1%, 0%, 30.6%)
CIE-LAB	lab(49.31, -3.38, -35.45)
CIE-LCH	lch(49.31, 35.61, 264.55°)
OKLab	oklab(56.09% -0.0453 -0.1003)
OKLCH	oklch(56.09% 0.11 245.7)
XYZ	xyz(16.3605, 17.8485, 44.1693)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AB1 #B16C35

analogous

#35B1AA #357AB1 #353CB1

triadic

#357AB1 #B1357A #7AB135

tetradic

#357AB1 #AA35B1 #B16C35 #3CB135

square

#357AB1 #AA35B1 #B16C35 #3CB135

split-complementary

#357AB1 #B1353C #B1AA35

monochromatic

#193953 #275A82 #357AB1 #5798CD #86B5DB

Accessibility & contrast

On white

4.60

#357AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#357AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #357AB1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AB1	#FFFFFF	#000000	##FFFFFF
##357AB1	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617CB3

Deuteranopia (green-blind)

#5070B0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #357ab1;
/* rgb */ color: rgb(53, 122, 177);
/* oklch */ color: oklch(56.1% 0.110 245.7);

Tailwind

colors: {
  custom: {
    50: '#7ba0c8',
    500: '#357ab1',
    950: '#000000',
  },
}

SCSS

$custom: #357ab1;
$custom-light: #7ba0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#357ab1",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 177
  },
  "hsl": {
    "h": 206.613,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56091,
    "c": 0.11005,
    "h": 245.7
  },
  "luminance": 0.1785
}

Semantic roles & 50–950 ramp

primary

#357AB1

secondary

#C49D7D

accent

#8C4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #357AB1

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

Preview Lab → · Contrast checker → · Palette generator →