#3B7BE9#3B7BE9

#3B7BE9 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.0% C 0.179 H 260.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BE9
RGB	rgb(59, 123, 233)
HSL	hsl(218, 80%, 57%)
HSV	hsv(218, 75%, 91%)
CMYK	cmyk(74.7%, 47.2%, 0%, 8.6%)
CIE-LAB	lab(52.92, 17.13, -61.55)
CIE-LCH	lch(52.92, 63.89, 285.56°)
OKLab	oklab(59.97% -0.0297 -0.1767)
OKLCH	oklch(59.97% 0.179 260.5)
XYZ	xyz(23.5893, 20.9763, 79.8806)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BE9 #E9A93B

analogous

#3BD2E9 #3B7BE9 #523BE9

triadic

#3B7BE9 #E93B7B #7BE93B

tetradic

#3B7BE9 #E93BD2 #E9A93B #3BE952

square

#3B7BE9 #E93BD2 #E9A93B #3BE952

split-complementary

#3B7BE9 #E9523B #D2E93B

monochromatic

#114398 #175BD0 #3B7BE9 #72A0EF #A9C5F5

Accessibility & contrast

On white

4.04

#3B7BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3B7BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BE9

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BE9	#FFFFFF	#000000	##000000
##3B7BE9	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E87ED

Deuteranopia (green-blind)

#0377E7

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3b7be9;
/* rgb */ color: rgb(59, 123, 233);
/* oklch */ color: oklch(60.0% 0.179 260.5);

Tailwind

colors: {
  custom: {
    50: '#88a0f1',
    500: '#3b7be9',
    950: '#000000',
  },
}

SCSS

$custom: #3b7be9;
$custom-light: #88a0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7be9",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 233
  },
  "hsl": {
    "h": 217.931,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59969,
    "c": 0.1792,
    "h": 260.5
  },
  "luminance": 0.20979
}

Semantic roles & 50–950 ramp

primary

#3B7BE9

secondary

#E3C99D

accent

#AE32F6

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #3B7BE9

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

Preview Lab → · Contrast checker → · Palette generator →