#618BDF#618BDF

#618BDF is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.135 H 263.0°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#618BDF
RGB	rgb(97, 139, 223)
HSL	hsl(220, 66%, 63%)
HSV	hsv(220, 57%, 87%)
CMYK	cmyk(56.5%, 37.7%, 0%, 12.5%)
CIE-LAB	lab(58.35, 10.13, -47.20)
CIE-LCH	lch(58.35, 48.27, 282.11°)
OKLab	oklab(64.42% -0.0163 -0.1338)
OKLCH	oklch(64.42% 0.135 263)
XYZ	xyz(27.4771, 26.3321, 73.4324)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BDF #DFB561

analogous

#61CADF #618BDF #7661DF

triadic

#618BDF #DF618B #8BDF61

tetradic

#618BDF #DF61CA #DFB561 #61DF76

square

#618BDF #DF61CA #DFB561 #61DF76

split-complementary

#618BDF #DF7661 #CADF61

monochromatic

#214DA4 #2E66D5 #618BDF #94B0E9 #C7D6F4

Accessibility & contrast

On white

3.35

#618BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#618BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BDF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BDF	#FFFFFF	#000000	##000000
##618BDF	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6893E2

Deuteranopia (green-blind)

#5887DD

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #618bdf;
/* rgb */ color: rgb(97, 139, 223);
/* oklch */ color: oklch(64.4% 0.135 263.0);

Tailwind

colors: {
  custom: {
    50: '#97ace9',
    500: '#618bdf',
    950: '#000000',
  },
}

SCSS

$custom: #618bdf;
$custom-light: #97ace9;
$custom-dark: #000000;

JSON

{
  "hex": "#618bdf",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 223
  },
  "hsl": {
    "h": 220,
    "s": 66.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6442,
    "c": 0.13475,
    "h": 263
  },
  "luminance": 0.26334
}

Semantic roles & 50–950 ramp

primary

#618BDF

secondary

#E5D5B7

accent

#9117CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #618BDF

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

Preview Lab → · Contrast checker → · Palette generator →