#618ACC#618ACC

#618ACC is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.2% C 0.110 H 259.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#618ACC
RGB	rgb(97, 138, 204)
HSL	hsl(217, 51%, 59%)
HSV	hsv(217, 52%, 80%)
CMYK	cmyk(52.5%, 32.4%, 0%, 20%)
CIE-LAB	lab(57.15, 4.69, -38.43)
CIE-LCH	lch(57.15, 38.72, 276.96°)
OKLab	oklab(63.18% -0.0199 -0.1082)
OKLCH	oklch(63.18% 0.11 259.6)
XYZ	xyz(24.9136, 25.0761, 60.6424)
Luminance	0.2508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618ACC #CCA361

analogous

#61C0CC #618ACC #6E61CC

triadic

#618ACC #CC618A #8ACC61

tetradic

#618ACC #CC61C0 #CCA361 #61CC6E

square

#618ACC #CC61C0 #CCA361 #61CC6E

split-complementary

#618ACC #CC6E61 #C0CC61

monochromatic

#2C4F87 #3B6AB5 #618ACC #8FACDB #BECFEA

Accessibility & contrast

On white

3.49

#618ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#618ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618ACC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618ACC	#FFFFFF	#000000	##000000
##618ACC	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708FCF

Deuteranopia (green-blind)

#6385CB

Tritanopia (blue-blind)

#2999A2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #618acc;
/* rgb */ color: rgb(97, 138, 204);
/* oklch */ color: oklch(63.2% 0.110 259.6);

Tailwind

colors: {
  custom: {
    50: '#94abdc',
    500: '#618acc',
    950: '#000000',
  },
}

SCSS

$custom: #618acc;
$custom-light: #94abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#618acc",
  "rgb": {
    "r": 97,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 217.009,
    "s": 51.196,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63183,
    "c": 0.11002,
    "h": 259.6
  },
  "luminance": 0.25078
}

Semantic roles & 50–950 ramp

primary

#618ACC

secondary

#D9C9AF

accent

#A44DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618ACC

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

Preview Lab → · Contrast checker → · Palette generator →