#3B7FCB#3B7FCB

#3B7FCB is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.136 H 253.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B7FCB
RGB	rgb(59, 127, 203)
HSL	hsl(212, 58%, 51%)
HSV	hsv(212, 71%, 80%)
CMYK	cmyk(70.9%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(52.31, 3.80, -45.62)
CIE-LCH	lch(52.31, 45.78, 274.76°)
OKLab	oklab(58.93% -0.0391 -0.1299)
OKLCH	oklch(58.93% 0.136 253.2)
XYZ	xyz(20.1685, 20.4182, 59.3665)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7FCB #CB873B

analogous

#3BC7CB #3B7FCB #3F3BCB

triadic

#3B7FCB #CB3B7F #7FCB3B

tetradic

#3B7FCB #CB3BC7 #CB873B #3BCB3F

square

#3B7FCB #CB3BC7 #CB873B #3BCB3F

split-complementary

#3B7FCB #CB3F3B #C7CB3B

monochromatic

#1D446E #2A619F #3B7FCB #6B9FD8 #9CBEE5

Accessibility & contrast

On white

4.13

#3B7FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3B7FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7FCB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7FCB	#FFFFFF	#000000	##000000
##3B7FCB	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CE

Deuteranopia (green-blind)

#4777C9

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3b7fcb;
/* rgb */ color: rgb(59, 127, 203);
/* oklch */ color: oklch(58.9% 0.136 253.2);

Tailwind

colors: {
  custom: {
    50: '#82a3db',
    500: '#3b7fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b7fcb;
$custom-light: #82a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7fcb",
  "rgb": {
    "r": 59,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 211.667,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58931,
    "c": 0.13562,
    "h": 253.2
  },
  "luminance": 0.2042
}

Semantic roles & 50–950 ramp

primary

#3B7FCB

secondary

#D1B391

accent

#9847E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3B7FCB

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

Preview Lab → · Contrast checker → · Palette generator →