#5BB5DC#5BB5DC

#5BB5DC is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.3% C 0.103 H 228.8°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5DC
RGB	rgb(91, 181, 220)
HSL	hsl(198, 65%, 61%)
HSV	hsv(198, 59%, 86%)
CMYK	cmyk(58.6%, 17.7%, 0%, 13.7%)
CIE-LAB	lab(69.78, -15.67, -27.73)
CIE-LCH	lch(69.78, 31.85, 240.53°)
OKLab	oklab(73.3% -0.0676 -0.0773)
OKLCH	oklch(73.3% 0.103 228.8)
XYZ	xyz(33.7515, 40.4360, 73.7225)
Luminance	0.4044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5DC #DC825B

analogous

#5BDCC3 #5BB5DC #5B74DC

triadic

#5BB5DC #DC5BB5 #B5DC5B

tetradic

#5BB5DC #C35BDC #DC825B #74DC5B

square

#5BB5DC #C35BDC #DC825B #74DC5B

split-complementary

#5BB5DC #DC5B74 #DCC35B

monochromatic

#21769B #2C9DCE #5BB5DC #8DCCE7 #C0E3F2

Accessibility & contrast

On white

2.31

#5BB5DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#5BB5DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5DC

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5DC	#FFFFFF	#000000	##000000
##5BB5DC	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B2DE

Deuteranopia (green-blind)

#8FA5DB

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb5dc;
/* rgb */ color: rgb(91, 181, 220);
/* oklch */ color: oklch(73.3% 0.103 228.8);

Tailwind

colors: {
  custom: {
    50: '#94cbe7',
    500: '#5bb5dc',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5dc;
$custom-light: #94cbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5dc",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 220
  },
  "hsl": {
    "h": 198.14,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.73297,
    "c": 0.10271,
    "h": 228.8
  },
  "luminance": 0.40439
}

Semantic roles & 50–950 ramp

primary

#5BB5DC

secondary

#E2C0B1

accent

#4F19CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB5DC

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

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