#618CD1#618CD1

#618CD1 is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.9% C 0.115 H 259.5°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#618CD1
RGB	rgb(97, 140, 209)
HSL	hsl(217, 55%, 60%)
HSV	hsv(217, 54%, 82%)
CMYK	cmyk(53.6%, 33%, 0%, 18%)
CIE-LAB	lab(57.94, 5.08, -40.00)
CIE-LCH	lch(57.94, 40.33, 277.24°)
OKLab	oklab(63.88% -0.0209 -0.1128)
OKLCH	oklch(63.88% 0.115 259.5)
XYZ	xyz(25.8125, 25.8990, 63.9480)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618CD1 #D1A661

analogous

#61C4D1 #618CD1 #6E61D1

triadic

#618CD1 #D1618C #8CD161

tetradic

#618CD1 #D161C4 #D1A661 #61D16E

square

#618CD1 #D161C4 #D1A661 #61D16E

split-complementary

#618CD1 #D16E61 #C4D161

monochromatic

#29508E #376BBE #618CD1 #90AFDF #C0D1ED

Accessibility & contrast

On white

3.40

#618CD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#618CD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618CD1

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618CD1	#FFFFFF	#000000	##000000
##618CD1	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7191D4

Deuteranopia (green-blind)

#6386D0

Tritanopia (blue-blind)

#229BA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #618cd1;
/* rgb */ color: rgb(97, 140, 209);
/* oklch */ color: oklch(63.9% 0.115 259.5);

Tailwind

colors: {
  custom: {
    50: '#95addf',
    500: '#618cd1',
    950: '#000000',
  },
}

SCSS

$custom: #618cd1;
$custom-light: #95addf;
$custom-dark: #000000;

JSON

{
  "hex": "#618cd1",
  "rgb": {
    "r": 97,
    "g": 140,
    "b": 209
  },
  "hsl": {
    "h": 216.964,
    "s": 54.902,
    "l": 60
  },
  "oklch": {
    "l": 0.63877,
    "c": 0.11468,
    "h": 259.5
  },
  "luminance": 0.25901
}

Semantic roles & 50–950 ramp

primary

#618CD1

secondary

#DCCCB1

accent

#A54ADE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618CD1

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

Preview Lab → · Contrast checker → · Palette generator →