#4187B2#4187B2

#4187B2 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.096 H 238.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4187B2
RGB	rgb(65, 135, 178)
HSL	hsl(203, 47%, 48%)
HSV	hsv(203, 63%, 70%)
CMYK	cmyk(63.5%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.67, -8.58, -29.18)
CIE-LCH	lch(53.67, 30.42, 253.62°)
OKLab	oklab(59.67% -0.0506 -0.0819)
OKLCH	oklch(59.67% 0.096 238.3)
XYZ	xyz(18.8768, 21.6642, 45.2976)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187B2 #B26C41

analogous

#41B2A5 #4187B2 #414EB2

triadic

#4187B2 #B24187 #87B241

tetradic

#4187B2 #A541B2 #B26C41 #4EB241

square

#4187B2 #A541B2 #B26C41 #4EB241

split-complementary

#4187B2 #B2414E #B2A541

monochromatic

#204358 #316585 #4187B2 #68A4C8 #95BFD8

Accessibility & contrast

On white

3.94

#4187B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4187B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187B2

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187B2	#FFFFFF	#000000	##000000
##4187B2	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B4

Deuteranopia (green-blind)

#647BB1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4187b2;
/* rgb */ color: rgb(65, 135, 178);
/* oklch */ color: oklch(59.7% 0.096 238.3);

Tailwind

colors: {
  custom: {
    50: '#81a9c9',
    500: '#4187b2',
    950: '#000000',
  },
}

SCSS

$custom: #4187b2;
$custom-light: #81a9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4187b2",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 202.832,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59669,
    "c": 0.09628,
    "h": 238.3
  },
  "luminance": 0.21666
}

Semantic roles & 50–950 ramp

primary

#4187B2

secondary

#C4A18B

accent

#8452D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4187B2

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

Preview Lab → · Contrast checker → · Palette generator →