#3988AD#3988AD

#3988AD is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.4% C 0.095 H 231.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3988AD
RGB	rgb(57, 136, 173)
HSL	hsl(199, 50%, 45%)
HSV	hsv(199, 67%, 68%)
CMYK	cmyk(67.1%, 21.4%, 0%, 32.2%)
CIE-LAB	lab(53.49, -12.21, -26.62)
CIE-LCH	lch(53.49, 29.28, 245.37°)
OKLab	oklab(59.38% -0.0587 -0.0746)
OKLCH	oklch(59.38% 0.095 231.8)
XYZ	xyz(18.0314, 21.4934, 42.7254)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988AD #AD5E39

analogous

#39AD98 #3988AD #394EAD

triadic

#3988AD #AD3988 #88AD39

tetradic

#3988AD #9839AD #AD5E39 #4EAD39

square

#3988AD #9839AD #AD5E39 #4EAD39

split-complementary

#3988AD #AD394E #AD9839

monochromatic

#1B4051 #2A647F #3988AD #5AA6C9 #88BFD8

Accessibility & contrast

On white

3.96

#3988AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3988AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988AD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988AD	#FFFFFF	#000000	##000000
##3988AD	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7686AF

Deuteranopia (green-blind)

#667BAC

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3988ad;
/* rgb */ color: rgb(57, 136, 173);
/* oklch */ color: oklch(59.4% 0.095 231.8);

Tailwind

colors: {
  custom: {
    50: '#7caac5',
    500: '#3988ad',
    950: '#000000',
  },
}

SCSS

$custom: #3988ad;
$custom-light: #7caac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3988ad",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 173
  },
  "hsl": {
    "h": 199.138,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59376,
    "c": 0.09491,
    "h": 231.8
  },
  "luminance": 0.21495
}

Semantic roles & 50–950 ramp

primary

#3988AD

secondary

#C29580

accent

#7B4EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3988AD

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

Preview Lab → · Contrast checker → · Palette generator →