#618BD1#618BD1

#618BD1 is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.7% C 0.116 H 260.2°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#618BD1
RGB	rgb(97, 139, 209)
HSL	hsl(218, 55%, 60%)
HSV	hsv(218, 54%, 82%)
CMYK	cmyk(53.6%, 33.5%, 0%, 18%)
CIE-LAB	lab(57.66, 5.67, -40.44)
CIE-LCH	lch(57.66, 40.84, 277.98°)
OKLab	oklab(63.66% -0.0197 -0.114)
OKLCH	oklch(63.66% 0.116 260.2)
XYZ	xyz(25.6671, 25.6081, 63.8995)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BD1 #D1A761

analogous

#61C3D1 #618BD1 #6F61D1

triadic

#618BD1 #D1618B #8BD161

tetradic

#618BD1 #D161C3 #D1A761 #61D16F

square

#618BD1 #D161C3 #D1A761 #61D16F

split-complementary

#618BD1 #D16F61 #C3D161

monochromatic

#294F8E #376ABE #618BD1 #90AEDF #C0D1ED

Accessibility & contrast

On white

3.43

#618BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#618BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BD1

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BD1	#FFFFFF	#000000	##000000
##618BD1	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F90D4

Deuteranopia (green-blind)

#6186D0

Tritanopia (blue-blind)

#229AA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #618bd1;
/* rgb */ color: rgb(97, 139, 209);
/* oklch */ color: oklch(63.7% 0.116 260.2);

Tailwind

colors: {
  custom: {
    50: '#95acdf',
    500: '#618bd1',
    950: '#000000',
  },
}

SCSS

$custom: #618bd1;
$custom-light: #95acdf;
$custom-dark: #000000;

JSON

{
  "hex": "#618bd1",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 209
  },
  "hsl": {
    "h": 217.5,
    "s": 54.902,
    "l": 60
  },
  "oklch": {
    "l": 0.63661,
    "c": 0.11574,
    "h": 260.2
  },
  "luminance": 0.2561
}

Semantic roles & 50–950 ramp

primary

#618BD1

secondary

#DCCCB1

accent

#A64ADE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618BD1

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

Preview Lab → · Contrast checker → · Palette generator →