#5BB5ED#5BB5ED

#5BB5ED is a light, moderate cyan. Relative luminance 0.414; OKLCH L 74.0% C 0.118 H 238.5°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX#5BB5ED
RGBrgb(91, 181, 237)
HSLhsl(203, 80%, 64%)
HSVhsv(203, 62%, 93%)
CMYKcmyk(61.6%, 23.6%, 0%, 7.1%)
CIE-LABlab(70.44, -10.44, -35.97)
CIE-LCHlch(70.44, 37.45, 253.81°)
OKLaboklab(74.05% -0.0618 -0.1009)
OKLCHoklch(74.05% 0.118 238.5)
XYZxyz(36.1185, 41.3828, 86.1886)
Luminance0.4139 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB5ED #ED935B
analogous
#5BEDDC #5BB5ED #5B6CED
triadic
#5BB5ED #ED5BB5 #B5ED5B
tetradic
#5BB5ED #DC5BED #ED935B #6CED5B
square
#5BB5ED #DC5BED #ED935B #6CED5B
split-complementary
#5BB5ED #ED5B6C #EDDC5B
monochromatic
#147AB9 #249CE7 #5BB5ED #92CEF3 #C9E7F9

Accessibility & contrast

On white

2.26
#5BB5ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.28
#5BB5ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5ED
9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB5ED#FFFFFF#000000##000000
##5BB5ED1.002.269.289.28
#FFFFFF2.261.0021.0021.00
#0000009.2821.001.001.00
##0000009.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BB5F0
Deuteranopia (green-blind)
#87A6EC
Tritanopia (blue-blind)
#00C3C8
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #5bb5ed;
/* rgb */ color: rgb(91, 181, 237);
/* oklch */ color: oklch(74.0% 0.118 238.5);
Tailwind
colors: {
  custom: {
    50: '#96cbf3',
    500: '#5bb5ed',
    950: '#000000',
  },
}
SCSS
$custom: #5bb5ed;
$custom-light: #96cbf3;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb5ed",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 237
  },
  "hsl": {
    "h": 203.014,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.74045,
    "c": 0.11832,
    "h": 238.5
  },
  "luminance": 0.41386
}

Semantic roles & 50–950 ramp

primary
#5BB5ED
secondary
#EBCCB9
accent
#5A09DD
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #5BB5ED

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB5ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva