#3F89CA#3F89CA

#3F89CA is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.3% C 0.123 H 247.9°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F89CA
RGB	rgb(63, 137, 202)
HSL	hsl(208, 57%, 52%)
HSV	hsv(208, 69%, 79%)
CMYK	cmyk(68.8%, 32.2%, 0%, 20.8%)
CIE-LAB	lab(55.29, -1.91, -40.33)
CIE-LCH	lch(55.29, 40.38, 267.29°)
OKLab	oklab(61.29% -0.0464 -0.1142)
OKLCH	oklch(61.29% 0.123 247.9)
XYZ	xyz(21.6522, 23.2100, 59.2045)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89CA #CA803F

analogous

#3FCAC6 #3F89CA #3F43CA

triadic

#3F89CA #CA3F89 #89CA3F

tetradic

#3F89CA #C63FCA #CA803F #43CA3F

square

#3F89CA #C63FCA #CA803F #43CA3F

split-complementary

#3F89CA #CA3F43 #CAC63F

monochromatic

#1F4A70 #2C6AA0 #3F89CA #6FA6D7 #9FC4E4

Accessibility & contrast

On white

3.72

#3F89CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#3F89CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89CA

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89CA	#FFFFFF	#000000	##000000
##3F89CA	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCD

Deuteranopia (green-blind)

#597EC9

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f89ca;
/* rgb */ color: rgb(63, 137, 202);
/* oklch */ color: oklch(61.3% 0.123 247.9);

Tailwind

colors: {
  custom: {
    50: '#83abda',
    500: '#3f89ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f89ca;
$custom-light: #83abda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89ca",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 202
  },
  "hsl": {
    "h": 208.058,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.6129,
    "c": 0.12329,
    "h": 247.9
  },
  "luminance": 0.23212
}

Semantic roles & 50–950 ramp

primary

#3F89CA

secondary

#D1B094

accent

#8F48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F89CA

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

Preview Lab → · Contrast checker → · Palette generator →