#3B7DDE#3B7DDE

#3B7DDE is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.7% C 0.163 H 258.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3B7DDE
RGB	rgb(59, 125, 222)
HSL	hsl(216, 71%, 55%)
HSV	hsv(216, 73%, 87%)
CMYK	cmyk(73.4%, 43.7%, 0%, 12.9%)
CIE-LAB	lab(52.81, 11.89, -55.57)
CIE-LCH	lch(52.81, 56.83, 282.08°)
OKLab	oklab(59.66% -0.0332 -0.1591)
OKLCH	oklch(59.66% 0.163 258.2)
XYZ	xyz(22.3173, 20.8685, 71.9449)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7DDE #DE9C3B

analogous

#3BCEDE #3B7DDE #4B3BDE

triadic

#3B7DDE #DE3B7D #7DDE3B

tetradic

#3B7DDE #DE3BCE #DE9C3B #3BDE4B

square

#3B7DDE #DE3BCE #DE9C3B #3BDE4B

split-complementary

#3B7DDE #DE4B3B #CEDE3B

monochromatic

#174588 #205FBC #3B7DDE #6FA0E7 #A4C2F0

Accessibility & contrast

On white

4.06

#3B7DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3B7DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7DDE

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7DDE	#FFFFFF	#000000	##000000
##3B7DDE	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C86E2

Deuteranopia (green-blind)

#2D77DC

Tritanopia (blue-blind)

#0094A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3b7dde;
/* rgb */ color: rgb(59, 125, 222);
/* oklch */ color: oklch(59.7% 0.163 258.2);

Tailwind

colors: {
  custom: {
    50: '#85a2e9',
    500: '#3b7dde',
    950: '#000000',
  },
}

SCSS

$custom: #3b7dde;
$custom-light: #85a2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7dde",
  "rgb": {
    "r": 59,
    "g": 125,
    "b": 222
  },
  "hsl": {
    "h": 215.706,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59663,
    "c": 0.16253,
    "h": 258.2
  },
  "luminance": 0.20871
}

Semantic roles & 50–950 ramp

primary

#3B7DDE

secondary

#DDC198

accent

#A53AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B7DDE

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

Preview Lab → · Contrast checker → · Palette generator →