#618BCF#618BCF

#618BCF is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.6% C 0.113 H 259.7°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#618BCF
RGB	rgb(97, 139, 207)
HSL	hsl(217, 53%, 60%)
HSV	hsv(217, 53%, 81%)
CMYK	cmyk(53.1%, 32.9%, 0%, 18.8%)
CIE-LAB	lab(57.57, 5.04, -39.46)
CIE-LCH	lch(57.57, 39.78, 277.28°)
OKLab	oklab(63.56% -0.0202 -0.1112)
OKLCH	oklch(63.56% 0.113 259.7)
XYZ	xyz(25.4210, 25.5097, 62.6037)
Luminance	0.2551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618BCF #CFA561

analogous

#61C2CF #618BCF #6E61CF

triadic

#618BCF #CF618B #8BCF61

tetradic

#618BCF #CF61C2 #CFA561 #61CF6E

square

#618BCF #CF61C2 #CFA561 #61CF6E

split-complementary

#618BCF #CF6E61 #C2CF61

monochromatic

#2A4F8B #396ABA #618BCF #90ADDD #BFD0EC

Accessibility & contrast

On white

3.44

#618BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#618BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BCF

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618BCF	#FFFFFF	#000000	##000000
##618BCF	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7090D2

Deuteranopia (green-blind)

#6386CE

Tritanopia (blue-blind)

#259AA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #618bcf;
/* rgb */ color: rgb(97, 139, 207);
/* oklch */ color: oklch(63.6% 0.113 259.7);

Tailwind

colors: {
  custom: {
    50: '#95acde',
    500: '#618bcf',
    950: '#000000',
  },
}

SCSS

$custom: #618bcf;
$custom-light: #95acde;
$custom-dark: #000000;

JSON

{
  "hex": "#618bcf",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 207
  },
  "hsl": {
    "h": 217.091,
    "s": 53.398,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63556,
    "c": 0.11304,
    "h": 259.7
  },
  "luminance": 0.25512
}

Semantic roles & 50–950 ramp

primary

#618BCF

secondary

#DBCBB1

accent

#A54BDD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618BCF

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

Preview Lab → · Contrast checker → · Palette generator →