#3F89D4#3F89D4

#3F89D4 is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.8% C 0.136 H 251.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F89D4
RGB	rgb(63, 137, 212)
HSL	hsl(210, 63%, 54%)
HSV	hsv(210, 70%, 83%)
CMYK	cmyk(70.3%, 35.4%, 0%, 16.9%)
CIE-LAB	lab(55.79, 1.59, -45.19)
CIE-LCH	lch(55.79, 45.22, 272.02°)
OKLab	oklab(61.84% -0.0437 -0.1284)
OKLCH	oklch(61.84% 0.136 251.2)
XYZ	xyz(22.8748, 23.6991, 65.6434)
Luminance	0.2370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89D4 #D48A3F

analogous

#3FD4D4 #3F89D4 #403FD4

triadic

#3F89D4 #D43F89 #89D43F

tetradic

#3F89D4 #D43FD4 #D48A3F #3FD440

square

#3F89D4 #D43FD4 #D48A3F #3FD440

split-complementary

#3F89D4 #D4403F #D4D43F

monochromatic

#1C4C7D #276AAF #3F89D4 #71A8DF #A3C6EA

Accessibility & contrast

On white

3.66

#3F89D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3F89D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89D4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89D4	#FFFFFF	#000000	##000000
##3F89D4	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678DD7

Deuteranopia (green-blind)

#527FD3

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f89d4;
/* rgb */ color: rgb(63, 137, 212);
/* oklch */ color: oklch(61.8% 0.136 251.2);

Tailwind

colors: {
  custom: {
    50: '#85abe1',
    500: '#3f89d4',
    950: '#000000',
  },
}

SCSS

$custom: #3f89d4;
$custom-light: #85abe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89d4",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 212
  },
  "hsl": {
    "h": 210.201,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.61843,
    "c": 0.13564,
    "h": 251.2
  },
  "luminance": 0.23702
}

Semantic roles & 50–950 ramp

primary

#3F89D4

secondary

#D7B898

accent

#9441E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F89D4

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

Preview Lab → · Contrast checker → · Palette generator →