#618DCB#618DCB

#618DCB is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.8% C 0.106 H 257.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#618DCB
RGB	rgb(97, 141, 203)
HSL	hsl(215, 50%, 59%)
HSV	hsv(215, 52%, 80%)
CMYK	cmyk(52.2%, 30.5%, 0%, 20.4%)
CIE-LAB	lab(57.94, 2.62, -36.62)
CIE-LCH	lch(57.94, 36.72, 274.09°)
OKLab	oklab(63.79% -0.0237 -0.1029)
OKLCH	oklch(63.79% 0.106 257.1)
XYZ	xyz(25.2304, 25.9010, 60.1582)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DCB #CB9F61

analogous

#61C2CB #618DCB #6A61CB

triadic

#618DCB #CB618D #8DCB61

tetradic

#618DCB #CB61C2 #CB9F61 #61CB6A

square

#618DCB #CB61C2 #CB9F61 #61CB6A

split-complementary

#618DCB #CB6A61 #C2CB61

monochromatic

#2C5186 #3B6DB4 #618DCB #8FAEDA #BDCFE9

Accessibility & contrast

On white

3.40

#618DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#618DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DCB

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DCB	#FFFFFF	#000000	##000000
##618DCB	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)

#7491CE

Deuteranopia (green-blind)

#6787CA

Tritanopia (blue-blind)

#2A9BA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #618dcb;
/* rgb */ color: rgb(97, 141, 203);
/* oklch */ color: oklch(63.8% 0.106 257.1);

Tailwind

colors: {
  custom: {
    50: '#94aedb',
    500: '#618dcb',
    950: '#000000',
  },
}

SCSS

$custom: #618dcb;
$custom-light: #94aedb;
$custom-dark: #000000;

JSON

{
  "hex": "#618dcb",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 203
  },
  "hsl": {
    "h": 215.094,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63788,
    "c": 0.10563,
    "h": 257.1
  },
  "luminance": 0.25903
}

Semantic roles & 50–950 ramp

primary

#618DCB

secondary

#D9C7AF

accent

#A04EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #618DCB

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

Preview Lab → · Contrast checker → · Palette generator →