#618FDF#618FDF

#618FDF is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.130 H 260.9°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#618FDF
RGB	rgb(97, 143, 223)
HSL	hsl(218, 66%, 63%)
HSV	hsv(218, 57%, 87%)
CMYK	cmyk(56.5%, 35.9%, 0%, 12.5%)
CIE-LAB	lab(59.45, 7.76, -45.47)
CIE-LCH	lch(59.45, 46.13, 279.69°)
OKLab	oklab(65.27% -0.0207 -0.1287)
OKLCH	oklch(65.27% 0.13 260.9)
XYZ	xyz(28.0669, 27.5117, 73.6290)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618FDF #DFB161

analogous

#61CEDF #618FDF #7261DF

triadic

#618FDF #DF618F #8FDF61

tetradic

#618FDF #DF61CE #DFB161 #61DF72

square

#618FDF #DF61CE #DFB161 #61DF72

split-complementary

#618FDF #DF7261 #CEDF61

monochromatic

#2151A4 #2E6BD5 #618FDF #94B3E9 #C7D7F4

Accessibility & contrast

On white

3.23

#618FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#618FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618FDF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618FDF	#FFFFFF	#000000	##000000
##618FDF	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E96E2

Deuteranopia (green-blind)

#5E8ADD

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #618fdf;
/* rgb */ color: rgb(97, 143, 223);
/* oklch */ color: oklch(65.3% 0.130 260.9);

Tailwind

colors: {
  custom: {
    50: '#97afe9',
    500: '#618fdf',
    950: '#000000',
  },
}

SCSS

$custom: #618fdf;
$custom-light: #97afe9;
$custom-dark: #000000;

JSON

{
  "hex": "#618fdf",
  "rgb": {
    "r": 97,
    "g": 143,
    "b": 223
  },
  "hsl": {
    "h": 218.095,
    "s": 66.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65269,
    "c": 0.13033,
    "h": 260.9
  },
  "luminance": 0.27514
}

Semantic roles & 50–950 ramp

primary

#618FDF

secondary

#E5D4B7

accent

#8B17CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #618FDF

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

Preview Lab → · Contrast checker → · Palette generator →