#3B7DCB#3B7DCB

#3B7DCB is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.5% C 0.138 H 254.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B7DCB
RGB	rgb(59, 125, 203)
HSL	hsl(213, 58%, 51%)
HSV	hsv(213, 71%, 80%)
CMYK	cmyk(70.9%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(51.73, 5.02, -46.53)
CIE-LCH	lch(51.73, 46.80, 276.15°)
OKLab	oklab(58.48% -0.0372 -0.1326)
OKLCH	oklch(58.48% 0.138 254.3)
XYZ	xyz(19.9128, 19.9067, 59.2813)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7DCB #CB893B

analogous

#3BC5CB #3B7DCB #413BCB

triadic

#3B7DCB #CB3B7D #7DCB3B

tetradic

#3B7DCB #CB3BC5 #CB893B #3BCB41

square

#3B7DCB #CB3BC5 #CB893B #3BCB41

split-complementary

#3B7DCB #CB413B #C5CB3B

monochromatic

#1D426E #2A609F #3B7DCB #6B9DD8 #9CBDE5

Accessibility & contrast

On white

4.22

#3B7DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3B7DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7DCB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7DCB	#FFFFFF	#000000	##000000
##3B7DCB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983CE

Deuteranopia (green-blind)

#4375C9

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b7dcb;
/* rgb */ color: rgb(59, 125, 203);
/* oklch */ color: oklch(58.5% 0.138 254.3);

Tailwind

colors: {
  custom: {
    50: '#82a2db',
    500: '#3b7dcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b7dcb;
$custom-light: #82a2db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7dcb",
  "rgb": {
    "r": 59,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 212.5,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58482,
    "c": 0.1377,
    "h": 254.3
  },
  "luminance": 0.19909
}

Semantic roles & 50–950 ramp

primary

#3B7DCB

secondary

#D1B491

accent

#9A47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3B7DCB

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

Preview Lab → · Contrast checker → · Palette generator →