#658ACC#658ACC

#658ACC is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.4% C 0.108 H 261.4°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#658ACC
RGB	rgb(101, 138, 204)
HSL	hsl(218, 50%, 60%)
HSV	hsv(218, 50%, 80%)
CMYK	cmyk(50.5%, 32.4%, 0%, 20%)
CIE-LAB	lab(57.37, 5.61, -38.07)
CIE-LCH	lch(57.37, 38.48, 278.38°)
OKLab	oklab(63.41% -0.0161 -0.1071)
OKLCH	oklch(63.41% 0.108 261.4)
XYZ	xyz(25.3507, 25.3015, 60.6629)
Luminance	0.2530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658ACC #CCA765

analogous

#65BDCC #658ACC #7465CC

triadic

#658ACC #CC658A #8ACC65

tetradic

#658ACC #CC65BD #CCA765 #65CC74

square

#658ACC #CC65BD #CCA765 #65CC74

split-complementary

#658ACC #CC7465 #BDCC65

monochromatic

#2D4E89 #3D69B7 #658ACC #93ADDB #C1D0EA

Accessibility & contrast

On white

3.47

#658ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#658ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658ACC

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658ACC	#FFFFFF	#000000	##000000
##658ACC	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#6585CB

Tritanopia (blue-blind)

#3598A2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #658acc;
/* rgb */ color: rgb(101, 138, 204);
/* oklch */ color: oklch(63.4% 0.108 261.4);

Tailwind

colors: {
  custom: {
    50: '#97abdc',
    500: '#658acc',
    950: '#000000',
  },
}

SCSS

$custom: #658acc;
$custom-light: #97abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#658acc",
  "rgb": {
    "r": 101,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 218.447,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63412,
    "c": 0.10832,
    "h": 261.4
  },
  "luminance": 0.25303
}

Semantic roles & 50–950 ramp

primary

#658ACC

secondary

#DACCB2

accent

#A84EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #658ACC

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

Preview Lab → · Contrast checker → · Palette generator →