#357AB4#357AB4

#357AB4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.114 H 247.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#357AB4
RGB	rgb(53, 122, 180)
HSL	hsl(207, 55%, 46%)
HSV	hsv(207, 71%, 71%)
CMYK	cmyk(70.6%, 32.2%, 0%, 29.4%)
CIE-LAB	lab(49.46, -2.31, -36.95)
CIE-LCH	lch(49.46, 37.02, 266.42°)
OKLab	oklab(56.26% -0.0444 -0.1047)
OKLCH	oklch(56.26% 0.114 247)
XYZ	xyz(16.6628, 17.9694, 45.7614)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AB4 #B46F35

analogous

#35B4AE #357AB4 #353AB4

triadic

#357AB4 #B4357A #7AB435

tetradic

#357AB4 #AE35B4 #B46F35 #3AB435

square

#357AB4 #AE35B4 #B46F35 #3AB435

split-complementary

#357AB4 #B4353A #B4AE35

monochromatic

#193A55 #275A85 #357AB4 #5898CE #88B5DC

Accessibility & contrast

On white

4.57

#357AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#357AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357AB4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AB4	#FFFFFF	#000000	##000000
##357AB4	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB6

Deuteranopia (green-blind)

#4E70B3

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #357ab4;
/* rgb */ color: rgb(53, 122, 180);
/* oklch */ color: oklch(56.3% 0.114 247.0);

Tailwind

colors: {
  custom: {
    50: '#7ba0ca',
    500: '#357ab4',
    950: '#000000',
  },
}

SCSS

$custom: #357ab4;
$custom-light: #7ba0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#357ab4",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 180
  },
  "hsl": {
    "h": 207.402,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56255,
    "c": 0.11369,
    "h": 247
  },
  "luminance": 0.17971
}

Semantic roles & 50–950 ramp

primary

#357AB4

secondary

#C69F7F

accent

#8D4ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #357AB4

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

Preview Lab → · Contrast checker → · Palette generator →