#3788AB#3788AB

#3788AB is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.094 H 229.9°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3788AB
RGB	rgb(55, 136, 171)
HSL	hsl(198, 51%, 44%)
HSV	hsv(198, 68%, 67%)
CMYK	cmyk(67.8%, 20.5%, 0%, 32.9%)
CIE-LAB	lab(53.34, -13.20, -25.70)
CIE-LCH	lch(53.34, 28.89, 242.81°)
OKLab	oklab(59.22% -0.0606 -0.072)
OKLCH	oklch(59.22% 0.094 229.9)
XYZ	xyz(17.7275, 21.3589, 41.7086)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788AB #AB5A37

analogous

#37AB94 #3788AB #374EAB

triadic

#3788AB #AB3788 #88AB37

tetradic

#3788AB #9437AB #AB5A37 #4EAB37

square

#3788AB #9437AB #AB5A37 #4EAB37

split-complementary

#3788AB #AB374E #AB9437

monochromatic

#193E4E #28637D #3788AB #56A6C9 #85BFD8

Accessibility & contrast

On white

3.98

#3788AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3788AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788AB

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788AB	#FFFFFF	#000000	##000000
##3788AB	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7686AD

Deuteranopia (green-blind)

#667AAB

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3788ab;
/* rgb */ color: rgb(55, 136, 171);
/* oklch */ color: oklch(59.2% 0.094 229.9);

Tailwind

colors: {
  custom: {
    50: '#7baac4',
    500: '#3788ab',
    950: '#000000',
  },
}

SCSS

$custom: #3788ab;
$custom-light: #7baac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3788ab",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 171
  },
  "hsl": {
    "h": 198.103,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.59216,
    "c": 0.0941,
    "h": 229.9
  },
  "luminance": 0.21361
}

Semantic roles & 50–950 ramp

primary

#3788AB

secondary

#C1917C

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3788AB

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

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