#5F99EC#5F99EC

#5F99EC is a light, vivid blue. Relative luminance 0.313; OKLCH L 68.0% C 0.138 H 257.4°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#5F99EC
RGB	rgb(95, 153, 236)
HSL	hsl(215, 79%, 65%)
HSV	hsv(215, 60%, 93%)
CMYK	cmyk(59.7%, 35.2%, 0%, 7.5%)
CIE-LAB	lab(62.73, 5.71, -47.48)
CIE-LCH	lch(62.73, 47.83, 276.86°)
OKLab	oklab(68.01% -0.03 -0.1345)
OKLCH	oklch(68.01% 0.138 257.4)
XYZ	xyz(31.2455, 31.2687, 83.7295)
Luminance	0.3127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F99EC #ECB25F

analogous

#5FE0EC #5F99EC #6B5FEC

triadic

#5F99EC #EC5F99 #99EC5F

tetradic

#5F99EC #EC5FE0 #ECB25F #5FEC6B

square

#5F99EC #EC5FE0 #ECB25F #5FEC6B

split-complementary

#5F99EC #EC6B5F #E0EC5F

monochromatic

#165ABA #2876E6 #5F99EC #96BCF2 #CCDFF9

Accessibility & contrast

On white

2.89

#5F99EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#5F99EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5F99EC

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F99EC	#FFFFFF	#000000	##000000
##5F99EC	1.00	2.89	7.25	7.25
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769FEF

Deuteranopia (green-blind)

#6392EA

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5f99ec;
/* rgb */ color: rgb(95, 153, 236);
/* oklch */ color: oklch(68.0% 0.138 257.4);

Tailwind

colors: {
  custom: {
    50: '#97b6f2',
    500: '#5f99ec',
    950: '#000000',
  },
}

SCSS

$custom: #5f99ec;
$custom-light: #97b6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5f99ec",
  "rgb": {
    "r": 95,
    "g": 153,
    "b": 236
  },
  "hsl": {
    "h": 215.319,
    "s": 78.771,
    "l": 64.902
  },
  "oklch": {
    "l": 0.68011,
    "c": 0.13779,
    "h": 257.4
  },
  "luminance": 0.31271
}

Semantic roles & 50–950 ramp

primary

#5F99EC

secondary

#EBD8BB

accent

#850ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5F99EC

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

Preview Lab → · Contrast checker → · Palette generator →