#357EBB#357EBB

#357EBB is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.119 H 247.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#357EBB
RGB	rgb(53, 126, 187)
HSL	hsl(207, 56%, 47%)
HSV	hsv(207, 72%, 73%)
CMYK	cmyk(71.7%, 32.6%, 0%, 26.7%)
CIE-LAB	lab(51.00, -2.20, -38.56)
CIE-LCH	lch(51.00, 38.63, 266.74°)
OKLab	oklab(57.58% -0.0463 -0.1093)
OKLCH	oklch(57.58% 0.119 247.1)
XYZ	xyz(17.8953, 19.2645, 49.7794)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EBB #BB7235

analogous

#35BBB5 #357EBB #353BBB

triadic

#357EBB #BB357E #7EBB35

tetradic

#357EBB #B535BB #BB7235 #3BBB35

square

#357EBB #B535BB #BB7235 #3BBB35

split-complementary

#357EBB #BB353B #BBB535

monochromatic

#1A3E5C #275E8B #357EBB #5C9CD1 #8CB9DE

Accessibility & contrast

On white

4.33

#357EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#357EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EBB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EBB	#FFFFFF	#000000	##000000
##357EBB	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BE

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357ebb;
/* rgb */ color: rgb(53, 126, 187);
/* oklch */ color: oklch(57.6% 0.119 247.1);

Tailwind

colors: {
  custom: {
    50: '#7da3d0',
    500: '#357ebb',
    950: '#000000',
  },
}

SCSS

$custom: #357ebb;
$custom-light: #7da3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#357ebb",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 207.313,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57578,
    "c": 0.11872,
    "h": 247.1
  },
  "luminance": 0.19266
}

Semantic roles & 50–950 ramp

primary

#357EBB

secondary

#C9A383

accent

#8D49DF

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #357EBB

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

Preview Lab → · Contrast checker → · Palette generator →