#6597EB#6597EB

#6597EB is a light, vivid blue. Relative luminance 0.309; OKLCH L 67.8% C 0.136 H 260.3°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#6597EB
RGB	rgb(101, 151, 235)
HSL	hsl(218, 77%, 66%)
HSV	hsv(218, 57%, 92%)
CMYK	cmyk(57%, 35.7%, 0%, 7.8%)
CIE-LAB	lab(62.42, 7.72, -47.41)
CIE-LCH	lch(62.42, 48.04, 279.25°)
OKLab	oklab(67.83% -0.023 -0.1342)
OKLCH	oklch(67.83% 0.136 260.3)
XYZ	xyz(31.4236, 30.8955, 82.8886)
Luminance	0.3090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6597EB #EBB965

analogous

#65DAEB #6597EB #7665EB

triadic

#6597EB #EB6597 #97EB65

tetradic

#6597EB #EB65DA #EBB965 #65EB76

square

#6597EB #EB65DA #EBB965 #65EB76

split-complementary

#6597EB #EB7665 #DAEB65

monochromatic

#1956BD #2F72E4 #6597EB #9BBCF2 #D1E0F9

Accessibility & contrast

On white

2.92

#6597EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#6597EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6597EB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6597EB	#FFFFFF	#000000	##000000
##6597EB	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749EEE

Deuteranopia (green-blind)

#6391E9

Tritanopia (blue-blind)

#00AAB6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6597eb;
/* rgb */ color: rgb(101, 151, 235);
/* oklch */ color: oklch(67.8% 0.136 260.3);

Tailwind

colors: {
  custom: {
    50: '#9ab5f2',
    500: '#6597eb',
    950: '#000000',
  },
}

SCSS

$custom: #6597eb;
$custom-light: #9ab5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6597eb",
  "rgb": {
    "r": 101,
    "g": 151,
    "b": 235
  },
  "hsl": {
    "h": 217.612,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.67826,
    "c": 0.13616,
    "h": 260.3
  },
  "luminance": 0.30898
}

Semantic roles & 50–950 ramp

primary

#6597EB

secondary

#ECDCC0

accent

#8D0CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6597EB

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

Preview Lab → · Contrast checker → · Palette generator →