#4187DA#4187DA

#4187DA is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.8% C 0.145 H 254.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4187DA
RGB	rgb(65, 135, 218)
HSL	hsl(213, 67%, 55%)
HSV	hsv(213, 70%, 85%)
CMYK	cmyk(70.2%, 38.1%, 0%, 14.5%)
CIE-LAB	lab(55.59, 5.19, -48.86)
CIE-LCH	lch(55.59, 49.13, 276.07°)
OKLab	oklab(61.82% -0.039 -0.1391)
OKLCH	oklch(61.82% 0.145 254.3)
XYZ	xyz(23.4942, 23.5112, 69.6160)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4187DA #DA9441

analogous

#41D3DA #4187DA #4741DA

triadic

#4187DA #DA4187 #87DA41

tetradic

#4187DA #DA41D3 #DA9441 #41DA47

square

#4187DA #DA41D3 #DA9441 #41DA47

split-complementary

#4187DA #DA4741 #D3DA41

monochromatic

#1A4C86 #2469BA #4187DA #74A7E4 #A7C8EE

Accessibility & contrast

On white

3.68

#4187DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#4187DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187DA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4187DA	#FFFFFF	#000000	##000000
##4187DA	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618DDD

Deuteranopia (green-blind)

#4A7FD8

Tritanopia (blue-blind)

#009AA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4187da;
/* rgb */ color: rgb(65, 135, 218);
/* oklch */ color: oklch(61.8% 0.145 254.3);

Tailwind

colors: {
  custom: {
    50: '#87a9e6',
    500: '#4187da',
    950: '#000000',
  },
}

SCSS

$custom: #4187da;
$custom-light: #87a9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4187da",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 218
  },
  "hsl": {
    "h": 212.549,
    "s": 67.401,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61815,
    "c": 0.14451,
    "h": 254.3
  },
  "luminance": 0.23514
}

Semantic roles & 50–950 ramp

primary

#4187DA

secondary

#DBBE9C

accent

#9B3EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4187DA

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

Preview Lab → · Contrast checker → · Palette generator →