#4188CE#4188CE

#4188CE is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.128 H 250.4°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4188CE
RGB	rgb(65, 136, 206)
HSL	hsl(210, 59%, 53%)
HSV	hsv(210, 68%, 81%)
CMYK	cmyk(68.4%, 34%, 0%, 19.2%)
CIE-LAB	lab(55.26, 0.39, -42.63)
CIE-LCH	lch(55.26, 42.63, 270.52°)
OKLab	oklab(61.35% -0.043 -0.1209)
OKLCH	oklch(61.35% 0.128 250.4)
XYZ	xyz(22.1206, 23.1860, 61.6901)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4188CE #CE8741

analogous

#41CECD #4188CE #4141CE

triadic

#4188CE #CE4188 #88CE41

tetradic

#4188CE #CD41CE #CE8741 #41CE41

square

#4188CE #CD41CE #CE8741 #41CE41

split-complementary

#4188CE #CE4141 #CECD41

monochromatic

#1E4B76 #2B69A7 #4188CE #72A6DB #A2C5E7

Accessibility & contrast

On white

3.72

#4188CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#4188CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4188CE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4188CE	#FFFFFF	#000000	##000000
##4188CE	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD1

Deuteranopia (green-blind)

#557ECD

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4188ce;
/* rgb */ color: rgb(65, 136, 206);
/* oklch */ color: oklch(61.4% 0.128 250.4);

Tailwind

colors: {
  custom: {
    50: '#85aadd',
    500: '#4188ce',
    950: '#000000',
  },
}

SCSS

$custom: #4188ce;
$custom-light: #85aadd;
$custom-dark: #000000;

JSON

{
  "hex": "#4188ce",
  "rgb": {
    "r": 65,
    "g": 136,
    "b": 206
  },
  "hsl": {
    "h": 209.787,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.12833,
    "h": 250.4
  },
  "luminance": 0.23188
}

Semantic roles & 50–950 ramp

primary

#4188CE

secondary

#D4B597

accent

#9346E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4188CE

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

Preview Lab → · Contrast checker → · Palette generator →