#659DEF#659DEF

#659DEF is a light, vivid blue. Relative luminance 0.331; OKLCH L 69.3% C 0.135 H 257.8°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#659DEF
RGB	rgb(101, 157, 239)
HSL	hsl(216, 81%, 67%)
HSV	hsv(216, 58%, 94%)
CMYK	cmyk(57.7%, 34.3%, 0%, 6.3%)
CIE-LAB	lab(64.25, 5.51, -46.72)
CIE-LCH	lch(64.25, 47.05, 276.73°)
OKLab	oklab(69.31% -0.0285 -0.1321)
OKLCH	oklch(69.31% 0.135 257.8)
XYZ	xyz(32.9983, 33.1098, 86.2965)
Luminance	0.3311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659DEF #EFB765

analogous

#65E2EF #659DEF #7265EF

triadic

#659DEF #EF659D #9DEF65

tetradic

#659DEF #EF65E2 #EFB765 #65EF72

square

#659DEF #EF65E2 #EFB765 #65EF72

split-complementary

#659DEF #EF7265 #E2EF65

monochromatic

#145CC5 #2E7AE9 #659DEF #9CC0F5 #D4E4FB

Accessibility & contrast

On white

2.75

#659DEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#659DEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659DEF

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659DEF	#FFFFFF	#000000	##000000
##659DEF	1.00	2.75	7.62	7.62
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA3F2

Deuteranopia (green-blind)

#6996ED

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659def;
/* rgb */ color: rgb(101, 157, 239);
/* oklch */ color: oklch(69.3% 0.135 257.8);

Tailwind

colors: {
  custom: {
    50: '#9bb9f4',
    500: '#659def',
    950: '#000000',
  },
}

SCSS

$custom: #659def;
$custom-light: #9bb9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#659def",
  "rgb": {
    "r": 101,
    "g": 157,
    "b": 239
  },
  "hsl": {
    "h": 215.652,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69314,
    "c": 0.13517,
    "h": 257.8
  },
  "luminance": 0.33113
}

Semantic roles & 50–950 ramp

primary

#659DEF

secondary

#EEDCC2

accent

#8708DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659DEF

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

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