#618DDD#618DDD

#618DDD is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.7% C 0.130 H 261.6°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#618DDD
RGB	rgb(97, 141, 221)
HSL	hsl(219, 65%, 62%)
HSV	hsv(219, 56%, 87%)
CMYK	cmyk(56.1%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(58.80, 8.30, -45.38)
CIE-LCH	lch(58.80, 46.13, 280.37°)
OKLab	oklab(64.73% -0.019 -0.1284)
OKLCH	oklch(64.73% 0.13 261.6)
XYZ	xyz(27.5013, 26.8094, 72.1181)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DDD #DDB161

analogous

#61CBDD #618DDD #7361DD

triadic

#618DDD #DD618D #8DDD61

tetradic

#618DDD #DD61CB #DDB161 #61DD73

square

#618DDD #DD61CB #DDB161 #61DD73

split-complementary

#618DDD #DD7361 #CBDD61

monochromatic

#234FA1 #2F69D2 #618DDD #93B1E8 #C6D6F3

Accessibility & contrast

On white

3.30

#618DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#618DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DDD

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DDD	#FFFFFF	#000000	##000000
##618DDD	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C94E0

Deuteranopia (green-blind)

#5D88DB

Tritanopia (blue-blind)

#019FAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #618ddd;
/* rgb */ color: rgb(97, 141, 221);
/* oklch */ color: oklch(64.7% 0.130 261.6);

Tailwind

colors: {
  custom: {
    50: '#96aee8',
    500: '#618ddd',
    950: '#000000',
  },
}

SCSS

$custom: #618ddd;
$custom-light: #96aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#618ddd",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 218.71,
    "s": 64.583,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64734,
    "c": 0.12981,
    "h": 261.6
  },
  "luminance": 0.26812
}

Semantic roles & 50–950 ramp

primary

#618DDD

secondary

#E4D3B6

accent

#8D19CC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #618DDD

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

Preview Lab → · Contrast checker → · Palette generator →