#658BDF#658BDF

#658BDF is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.133 H 264.6°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#658BDF
RGB	rgb(101, 139, 223)
HSL	hsl(221, 66%, 64%)
HSV	hsv(221, 55%, 87%)
CMYK	cmyk(54.7%, 37.7%, 0%, 12.5%)
CIE-LAB	lab(58.56, 10.96, -46.85)
CIE-LCH	lch(58.56, 48.12, 283.17°)
OKLab	oklab(64.64% -0.0126 -0.1327)
OKLCH	oklch(64.64% 0.133 264.6)
XYZ	xyz(27.9142, 26.5575, 73.4529)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658BDF #DFB965

analogous

#65C8DF #658BDF #7C65DF

triadic

#658BDF #DF658B #8BDF65

tetradic

#658BDF #DF65C8 #DFB965 #65DF7C

square

#658BDF #DF65C8 #DFB965 #65DF7C

split-complementary

#658BDF #DF7C65 #C8DF65

monochromatic

#234CA7 #3265D4 #658BDF #98B1EA #CAD7F4

Accessibility & contrast

On white

3.33

#658BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#658BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658BDF

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658BDF	#FFFFFF	#000000	##000000
##658BDF	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6993E2

Deuteranopia (green-blind)

#5A88DD

Tritanopia (blue-blind)

#1C9DAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #658bdf;
/* rgb */ color: rgb(101, 139, 223);
/* oklch */ color: oklch(64.6% 0.133 264.6);

Tailwind

colors: {
  custom: {
    50: '#99ace9',
    500: '#658bdf',
    950: '#000000',
  },
}

SCSS

$custom: #658bdf;
$custom-light: #99ace9;
$custom-dark: #000000;

JSON

{
  "hex": "#658bdf",
  "rgb": {
    "r": 101,
    "g": 139,
    "b": 223
  },
  "hsl": {
    "h": 221.311,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6464,
    "c": 0.13327,
    "h": 264.6
  },
  "luminance": 0.2656
}

Semantic roles & 50–950 ramp

primary

#658BDF

secondary

#E6D8BA

accent

#9518CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #658BDF

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

Preview Lab → · Contrast checker → · Palette generator →