#3E8FDB#3E8FDB

#3E8FDB is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.6% C 0.139 H 249.7°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#3E8FDB
RGB	rgb(62, 143, 219)
HSL	hsl(209, 69%, 55%)
HSV	hsv(209, 72%, 86%)
CMYK	cmyk(71.7%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(57.83, 0.37, -45.88)
CIE-LCH	lch(57.83, 45.89, 270.47°)
OKLab	oklab(63.55% -0.0481 -0.1304)
OKLCH	oklch(63.55% 0.139 249.7)
XYZ	xyz(24.5904, 25.7808, 70.6843)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E8FDB #DB8A3E

analogous

#3EDBD9 #3E8FDB #3E40DB

triadic

#3E8FDB #DB3E8F #8FDB3E

tetradic

#3E8FDB #D93EDB #DB8A3E #40DB3E

square

#3E8FDB #D93EDB #DB8A3E #40DB3E

split-complementary

#3E8FDB #DB3E40 #DBD93E

monochromatic

#195186 #2370B9 #3E8FDB #72ADE5 #A5CBEE

Accessibility & contrast

On white

3.41

#3E8FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#3E8FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E8FDB

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E8FDB	#FFFFFF	#000000	##000000
##3E8FDB	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DE

Deuteranopia (green-blind)

#5684DA

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3e8fdb;
/* rgb */ color: rgb(62, 143, 219);
/* oklch */ color: oklch(63.6% 0.139 249.7);

Tailwind

colors: {
  custom: {
    50: '#86afe6',
    500: '#3e8fdb',
    950: '#000000',
  },
}

SCSS

$custom: #3e8fdb;
$custom-light: #86afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e8fdb",
  "rgb": {
    "r": 62,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 209.045,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63552,
    "c": 0.13897,
    "h": 249.7
  },
  "luminance": 0.25784
}

Semantic roles & 50–950 ramp

primary

#3E8FDB

secondary

#DBB999

accent

#913CEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3E8FDB

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

Preview Lab → · Contrast checker → · Palette generator →