#357FB3#357FB3

#357FB3 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.108 H 242.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#357FB3
RGB	rgb(53, 127, 179)
HSL	hsl(205, 54%, 45%)
HSV	hsv(205, 70%, 70%)
CMYK	cmyk(70.4%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(50.91, -5.63, -34.10)
CIE-LCH	lch(50.91, 34.56, 260.63°)
OKLab	oklab(57.38% -0.0497 -0.0963)
OKLCH	oklch(57.38% 0.108 242.7)
XYZ	xyz(17.1911, 19.1884, 45.4368)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357FB3 #B36935

analogous

#35B3A8 #357FB3 #3540B3

triadic

#357FB3 #B3357F #7FB335

tetradic

#357FB3 #A835B3 #B36935 #40B335

square

#357FB3 #A835B3 #B36935 #40B335

split-complementary

#357FB3 #B33540 #B3A835

monochromatic

#193C55 #275D84 #357FB3 #589DCD #87B9DB

Accessibility & contrast

On white

4.34

#357FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#357FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FB3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357FB3	#FFFFFF	#000000	##000000
##357FB3	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#5674B2

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357fb3;
/* rgb */ color: rgb(53, 127, 179);
/* oklch */ color: oklch(57.4% 0.108 242.7);

Tailwind

colors: {
  custom: {
    50: '#7ba3ca',
    500: '#357fb3',
    950: '#000000',
  },
}

SCSS

$custom: #357fb3;
$custom-light: #7ba3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#357fb3",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 204.762,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.57382,
    "c": 0.1084,
    "h": 242.7
  },
  "luminance": 0.1919
}

Semantic roles & 50–950 ramp

primary

#357FB3

secondary

#C59C7F

accent

#874ADE

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #357FB3

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

Preview Lab → · Contrast checker → · Palette generator →