#357FBB#357FBB

#357FBB is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.118 H 246.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#357FBB
RGB	rgb(53, 127, 187)
HSL	hsl(207, 56%, 47%)
HSV	hsv(207, 72%, 73%)
CMYK	cmyk(71.7%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(51.29, -2.79, -38.10)
CIE-LCH	lch(51.29, 38.20, 265.81°)
OKLab	oklab(57.81% -0.0473 -0.1079)
OKLCH	oklch(57.81% 0.118 246.4)
XYZ	xyz(18.0238, 19.5215, 49.8222)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357FBB #BB7135

analogous

#35BBB4 #357FBB #353CBB

triadic

#357FBB #BB357F #7FBB35

tetradic

#357FBB #B435BB #BB7135 #3CBB35

square

#357FBB #B435BB #BB7135 #3CBB35

split-complementary

#357FBB #BB353C #BBB435

monochromatic

#1A3E5C #275F8B #357FBB #5C9DD1 #8CBADE

Accessibility & contrast

On white

4.28

#357FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#357FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FBB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357FBB	#FFFFFF	#000000	##000000
##357FBB	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5174BA

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357fbb;
/* rgb */ color: rgb(53, 127, 187);
/* oklch */ color: oklch(57.8% 0.118 246.4);

Tailwind

colors: {
  custom: {
    50: '#7da3cf',
    500: '#357fbb',
    950: '#000000',
  },
}

SCSS

$custom: #357fbb;
$custom-light: #7da3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#357fbb",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 206.866,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57812,
    "c": 0.11785,
    "h": 246.4
  },
  "luminance": 0.19523
}

Semantic roles & 50–950 ramp

primary

#357FBB

secondary

#C9A283

accent

#8C49DF

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #357FBB

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

Preview Lab → · Contrast checker → · Palette generator →