#6597EE#6597EE

#6597EE is a light, vivid blue. Relative luminance 0.311; OKLCH L 68.0% C 0.140 H 260.8°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#6597EE
RGB	rgb(101, 151, 238)
HSL	hsl(218, 80%, 66%)
HSV	hsv(218, 58%, 93%)
CMYK	cmyk(57.6%, 36.6%, 0%, 6.7%)
CIE-LAB	lab(62.57, 8.68, -48.83)
CIE-LCH	lch(62.57, 49.60, 280.08°)
OKLab	oklab(67.99% -0.0223 -0.1383)
OKLCH	oklch(67.99% 0.14 260.8)
XYZ	xyz(31.8607, 31.0703, 85.1905)
Luminance	0.3107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6597EE #EEBC65

analogous

#65DCEE #6597EE #7865EE

triadic

#6597EE #EE6597 #97EE65

tetradic

#6597EE #EE65DC #EEBC65 #65EE78

square

#6597EE #EE65DC #EEBC65 #65EE78

split-complementary

#6597EE #EE7865 #DCEE65

monochromatic

#1655C3 #2E72E8 #6597EE #9CBCF4 #D3E1FA

Accessibility & contrast

On white

2.91

#6597EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#6597EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6597EE

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6597EE	#FFFFFF	#000000	##000000
##6597EE	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739EF2

Deuteranopia (green-blind)

#6191EC

Tritanopia (blue-blind)

#00AAB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6597ee;
/* rgb */ color: rgb(101, 151, 238);
/* oklch */ color: oklch(68.0% 0.140 260.8);

Tailwind

colors: {
  custom: {
    50: '#9bb5f4',
    500: '#6597ee',
    950: '#000000',
  },
}

SCSS

$custom: #6597ee;
$custom-light: #9bb5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6597ee",
  "rgb": {
    "r": 101,
    "g": 151,
    "b": 238
  },
  "hsl": {
    "h": 218.102,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.67989,
    "c": 0.14014,
    "h": 260.8
  },
  "luminance": 0.31073
}

Semantic roles & 50–950 ramp

primary

#6597EE

secondary

#EEDDC1

accent

#8F09DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6597EE

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

Preview Lab → · Contrast checker → · Palette generator →