#6489CB#6489CB

#6489CB is a light, moderate blue. Relative luminance 0.249; OKLCH L 63.1% C 0.108 H 261.4°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#6489CB
RGB	rgb(100, 137, 203)
HSL	hsl(218, 50%, 59%)
HSV	hsv(218, 51%, 80%)
CMYK	cmyk(50.7%, 32.5%, 0%, 20.4%)
CIE-LAB	lab(56.99, 5.66, -38.11)
CIE-LCH	lch(56.99, 38.53, 278.44°)
OKLab	oklab(63.09% -0.0162 -0.1072)
OKLCH	oklch(63.09% 0.108 261.4)
XYZ	xyz(24.9771, 24.9107, 59.9804)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6489CB #CBA664

analogous

#64BCCB #6489CB #7364CB

triadic

#6489CB #CB6489 #89CB64

tetradic

#6489CB #CB64BC #CBA664 #64CB73

square

#6489CB #CB64BC #CBA664 #64CB73

split-complementary

#6489CB #CB7364 #BCCB64

monochromatic

#2D4E87 #3D68B5 #6489CB #92ACDA #C0CFEA

Accessibility & contrast

On white

3.51

#6489CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#6489CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6489CB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6489CB	#FFFFFF	#000000	##000000
##6489CB	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8ECE

Deuteranopia (green-blind)

#6384CA

Tritanopia (blue-blind)

#3497A1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #6489cb;
/* rgb */ color: rgb(100, 137, 203);
/* oklch */ color: oklch(63.1% 0.108 261.4);

Tailwind

colors: {
  custom: {
    50: '#96abdb',
    500: '#6489cb',
    950: '#000000',
  },
}

SCSS

$custom: #6489cb;
$custom-light: #96abdb;
$custom-dark: #000000;

JSON

{
  "hex": "#6489cb",
  "rgb": {
    "r": 100,
    "g": 137,
    "b": 203
  },
  "hsl": {
    "h": 218.447,
    "s": 49.758,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63086,
    "c": 0.10844,
    "h": 261.4
  },
  "luminance": 0.24912
}

Semantic roles & 50–950 ramp

primary

#6489CB

secondary

#D9CBB1

accent

#A74FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6489CB

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

Preview Lab → · Contrast checker → · Palette generator →