#3987AD#3987AD

#3987AD is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.095 H 232.8°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3987AD
RGB	rgb(57, 135, 173)
HSL	hsl(200, 50%, 45%)
HSV	hsv(200, 67%, 68%)
CMYK	cmyk(67.1%, 22%, 0%, 32.2%)
CIE-LAB	lab(53.18, -11.65, -27.09)
CIE-LCH	lch(53.18, 29.49, 246.74°)
OKLab	oklab(59.14% -0.0576 -0.076)
OKLCH	oklch(59.14% 0.095 232.8)
XYZ	xyz(17.8912, 21.2130, 42.6787)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987AD #AD5F39

analogous

#39AD99 #3987AD #394DAD

triadic

#3987AD #AD3987 #87AD39

tetradic

#3987AD #9939AD #AD5F39 #4DAD39

square

#3987AD #9939AD #AD5F39 #4DAD39

split-complementary

#3987AD #AD394D #AD9939

monochromatic

#1B3F51 #2A637F #3987AD #5AA5C9 #88BED8

Accessibility & contrast

On white

4.01

#3987AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3987AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987AD

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987AD	#FFFFFF	#000000	##000000
##3987AD	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7486AF

Deuteranopia (green-blind)

#647AAC

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3987ad;
/* rgb */ color: rgb(57, 135, 173);
/* oklch */ color: oklch(59.1% 0.095 232.8);

Tailwind

colors: {
  custom: {
    50: '#7caac5',
    500: '#3987ad',
    950: '#000000',
  },
}

SCSS

$custom: #3987ad;
$custom-light: #7caac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3987ad",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 173
  },
  "hsl": {
    "h": 199.655,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59135,
    "c": 0.09534,
    "h": 232.8
  },
  "luminance": 0.21215
}

Semantic roles & 50–950 ramp

primary

#3987AD

secondary

#C29580

accent

#7C4EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3987AD

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

Preview Lab → · Contrast checker → · Palette generator →