#5187CA#5187CA

#5187CA is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.6% C 0.117 H 254.7°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5187CA
RGB	rgb(81, 135, 202)
HSL	hsl(213, 53%, 55%)
HSV	hsv(213, 60%, 79%)
CMYK	cmyk(59.9%, 33.2%, 0%, 20.8%)
CIE-LAB	lab(55.42, 2.44, -40.07)
CIE-LCH	lch(55.42, 40.15, 273.48°)
OKLab	oklab(61.59% -0.0311 -0.1133)
OKLCH	oklch(61.59% 0.117 254.7)
XYZ	xyz(22.7142, 23.3395, 59.1736)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5187CA #CA9451

analogous

#51C4CA #5187CA #5751CA

triadic

#5187CA #CA5187 #87CA51

tetradic

#5187CA #CA51C4 #CA9451 #51CA57

square

#5187CA #CA51C4 #CA9451 #51CA57

split-complementary

#5187CA #CA5751 #C4CA51

monochromatic

#254C7B #3469AA #5187CA #80A7D8 #AFC8E7

Accessibility & contrast

On white

3.70

#5187CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#5187CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5187CA

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5187CA	#FFFFFF	#000000	##000000
##5187CA	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8BCD

Deuteranopia (green-blind)

#5B7FC9

Tritanopia (blue-blind)

#00969F

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5187ca;
/* rgb */ color: rgb(81, 135, 202);
/* oklch */ color: oklch(61.6% 0.117 254.7);

Tailwind

colors: {
  custom: {
    50: '#8ca9da',
    500: '#5187ca',
    950: '#000000',
  },
}

SCSS

$custom: #5187ca;
$custom-light: #8ca9da;
$custom-dark: #000000;

JSON

{
  "hex": "#5187ca",
  "rgb": {
    "r": 81,
    "g": 135,
    "b": 202
  },
  "hsl": {
    "h": 213.223,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61589,
    "c": 0.11744,
    "h": 254.7
  },
  "luminance": 0.23342
}

Semantic roles & 50–950 ramp

primary

#5187CA

secondary

#D5BEA2

accent

#9C4BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5187CA

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

Preview Lab → · Contrast checker → · Palette generator →