#3891B8#3891B8

#3891B8 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.0% C 0.102 H 230.6°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3891B8
RGB	rgb(56, 145, 184)
HSL	hsl(198, 53%, 47%)
HSV	hsv(198, 70%, 72%)
CMYK	cmyk(69.6%, 21.2%, 0%, 27.8%)
CIE-LAB	lab(56.63, -13.69, -28.03)
CIE-LCH	lch(56.63, 31.20, 243.97°)
OKLab	oklab(62.03% -0.0646 -0.0786)
OKLCH	oklch(62.03% 0.102 230.6)
XYZ	xyz(20.4046, 24.5500, 49.0014)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891B8 #B85F38

analogous

#38B89F #3891B8 #3851B8

triadic

#3891B8 #B83891 #91B838

tetradic

#3891B8 #9F38B8 #B85F38 #51B838

square

#3891B8 #9F38B8 #B85F38 #51B838

split-complementary

#3891B8 #B83851 #B89F38

monochromatic

#1B475A #2A6C89 #3891B8 #5FACCE #8EC5DD

Accessibility & contrast

On white

3.55

#3891B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3891B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891B8

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891B8	#FFFFFF	#000000	##000000
##3891B8	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBA

Deuteranopia (green-blind)

#6C82B7

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3891b8;
/* rgb */ color: rgb(56, 145, 184);
/* oklch */ color: oklch(62.0% 0.102 230.6);

Tailwind

colors: {
  custom: {
    50: '#7eb1cd',
    500: '#3891b8',
    950: '#000000',
  },
}

SCSS

$custom: #3891b8;
$custom-light: #7eb1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3891b8",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 184
  },
  "hsl": {
    "h": 198.281,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.62029,
    "c": 0.10176,
    "h": 230.6
  },
  "luminance": 0.24552
}

Semantic roles & 50–950 ramp

primary

#3891B8

secondary

#C79985

accent

#774BDD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3891B8

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

Preview Lab → · Contrast checker → · Palette generator →