#5B90DA#5B90DA

#5B90DA is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.125 H 257.0°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B90DA
RGB	rgb(91, 144, 218)
HSL	hsl(215, 63%, 61%)
HSV	hsv(215, 58%, 85%)
CMYK	cmyk(58.3%, 33.9%, 0%, 14.5%)
CIE-LAB	lab(59.19, 4.35, -43.11)
CIE-LCH	lch(59.19, 43.33, 275.76°)
OKLab	oklab(64.91% -0.0282 -0.1219)
OKLCH	oklch(64.91% 0.125 257)
XYZ	xyz(26.9381, 27.2303, 70.1525)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90DA #DAA55B

analogous

#5BCFDA #5B90DA #655BDA

triadic

#5B90DA #DA5B90 #90DA5B

tetradic

#5B90DA #DA5BCF #DAA55B #5BDA65

square

#5B90DA #DA5BCF #DAA55B #5BDA65

split-complementary

#5B90DA #DA655B #CFDA5B

monochromatic

#225498 #2E6FCA #5B90DA #8DB2E5 #BFD4F1

Accessibility & contrast

On white

3.26

#5B90DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#5B90DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90DA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90DA	#FFFFFF	#000000	##000000
##5B90DA	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#6189D8

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b90da;
/* rgb */ color: rgb(91, 144, 218);
/* oklch */ color: oklch(64.9% 0.125 257.0);

Tailwind

colors: {
  custom: {
    50: '#93b0e6',
    500: '#5b90da',
    950: '#000000',
  },
}

SCSS

$custom: #5b90da;
$custom-light: #93b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90da",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 218
  },
  "hsl": {
    "h": 214.961,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64909,
    "c": 0.12509,
    "h": 257
  },
  "luminance": 0.27233
}

Semantic roles & 50–950 ramp

primary

#5B90DA

secondary

#E1CCB0

accent

#811BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B90DA

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

Preview Lab → · Contrast checker → · Palette generator →