#618DEE#618DEE

#618DEE is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.153 H 264.2°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#618DEE
RGB	rgb(97, 141, 238)
HSL	hsl(221, 81%, 66%)
HSV	hsv(221, 59%, 93%)
CMYK	cmyk(59.2%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.67, 13.81, -53.44)
CIE-LCH	lch(59.67, 55.19, 284.49°)
OKLab	oklab(65.7% -0.0153 -0.152)
OKLCH	oklch(65.7% 0.153 264.2)
XYZ	xyz(29.8820, 27.7616, 84.6562)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DEE #EEC261

analogous

#61D3EE #618DEE #7C61EE

triadic

#618DEE #EE618D #8DEE61

tetradic

#618DEE #EE61D3 #EEC261 #61EE7C

square

#618DEE #EE61D3 #EEC261 #61EE7C

split-complementary

#618DEE #EE7C61 #D3EE61

monochromatic

#154AC0 #2A65E8 #618DEE #98B5F4 #D0DDFA

Accessibility & contrast

On white

3.20

#618DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#618DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DEE

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DEE	#FFFFFF	#000000	##000000
##618DEE	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F2

Deuteranopia (green-blind)

#4F8AEC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618dee;
/* rgb */ color: rgb(97, 141, 238);
/* oklch */ color: oklch(65.7% 0.153 264.2);

Tailwind

colors: {
  custom: {
    50: '#99adf4',
    500: '#618dee',
    950: '#000000',
  },
}

SCSS

$custom: #618dee;
$custom-light: #99adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#618dee",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 221.277,
    "s": 80.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65696,
    "c": 0.15276,
    "h": 264.2
  },
  "luminance": 0.27764
}

Semantic roles & 50–950 ramp

primary

#618DEE

secondary

#EDDEBE

accent

#9B09DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618DEE

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

Preview Lab → · Contrast checker → · Palette generator →