#658BCB#658BCB

#658BCB is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.6% C 0.106 H 260.4°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#658BCB
RGB	rgb(101, 139, 203)
HSL	hsl(218, 50%, 60%)
HSV	hsv(218, 50%, 80%)
CMYK	cmyk(50.2%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(57.60, 4.71, -37.15)
CIE-LCH	lch(57.60, 37.44, 277.23°)
OKLab	oklab(63.58% -0.0176 -0.1044)
OKLCH	oklch(63.58% 0.106 260.4)
XYZ	xyz(25.3753, 25.5420, 60.0813)
Luminance	0.2554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658BCB #CBA565

analogous

#65BECB #658BCB #7265CB

triadic

#658BCB #CB658B #8BCB65

tetradic

#658BCB #CB65BE #CBA565 #65CB72

square

#658BCB #CB65BE #CBA565 #65CB72

split-complementary

#658BCB #CB7265 #BECB65

monochromatic

#2E4F88 #3D6AB6 #658BCB #93ADDA #C1D0EA

Accessibility & contrast

On white

3.44

#658BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#658BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658BCB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658BCB	#FFFFFF	#000000	##000000
##658BCB	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#3699A2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #658bcb;
/* rgb */ color: rgb(101, 139, 203);
/* oklch */ color: oklch(63.6% 0.106 260.4);

Tailwind

colors: {
  custom: {
    50: '#96acdb',
    500: '#658bcb',
    950: '#000000',
  },
}

SCSS

$custom: #658bcb;
$custom-light: #96acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#658bcb",
  "rgb": {
    "r": 101,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 217.647,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63577,
    "c": 0.10588,
    "h": 260.4
  },
  "luminance": 0.25544
}

Semantic roles & 50–950 ramp

primary

#658BCB

secondary

#DACBB2

accent

#A64FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #658BCB

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

Preview Lab → · Contrast checker → · Palette generator →