#3988AC#3988AC

#3988AC is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.094 H 231.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3988AC
RGB	rgb(57, 136, 172)
HSL	hsl(199, 50%, 45%)
HSV	hsv(199, 67%, 67%)
CMYK	cmyk(66.9%, 20.9%, 0%, 32.5%)
CIE-LAB	lab(53.44, -12.54, -26.11)
CIE-LCH	lch(53.44, 28.96, 244.34°)
OKLab	oklab(59.33% -0.059 -0.0731)
OKLCH	oklch(59.33% 0.094 231.1)
XYZ	xyz(17.9350, 21.4548, 42.2177)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988AC #AC5D39

analogous

#39AC97 #3988AC #394EAC

triadic

#3988AC #AC3988 #88AC39

tetradic

#3988AC #9739AC #AC5D39 #4EAC39

square

#3988AC #9739AC #AC5D39 #4EAC39

split-complementary

#3988AC #AC394E #AC9739

monochromatic

#1B3F50 #2A647E #3988AC #5AA6C8 #88BFD8

Accessibility & contrast

On white

3.97

#3988AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3988AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988AC

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988AC	#FFFFFF	#000000	##000000
##3988AC	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7686AE

Deuteranopia (green-blind)

#667BAB

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3988ac;
/* rgb */ color: rgb(57, 136, 172);
/* oklch */ color: oklch(59.3% 0.094 231.1);

Tailwind

colors: {
  custom: {
    50: '#7caac4',
    500: '#3988ac',
    950: '#000000',
  },
}

SCSS

$custom: #3988ac;
$custom-light: #7caac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3988ac",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 172
  },
  "hsl": {
    "h": 198.783,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5933,
    "c": 0.094,
    "h": 231.1
  },
  "luminance": 0.21457
}

Semantic roles & 50–950 ramp

primary

#3988AC

secondary

#C2947F

accent

#7A4EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3988AC

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

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