#3A7BD9#3A7BD9

#3A7BD9 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 58.9% C 0.159 H 258.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BD9
RGB	rgb(58, 123, 217)
HSL	hsl(215, 68%, 54%)
HSV	hsv(215, 73%, 85%)
CMYK	cmyk(73.3%, 43.3%, 0%, 14.9%)
CIE-LAB	lab(51.92, 11.17, -54.17)
CIE-LCH	lch(51.92, 55.31, 281.66°)
OKLab	oklab(58.87% -0.0331 -0.155)
OKLCH	oklch(58.87% 0.159 258)
XYZ	xyz(21.3477, 20.0728, 68.3816)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BD9 #D9983A

analogous

#3ACBD9 #3A7BD9 #493AD9

triadic

#3A7BD9 #D93A7B #7BD93A

tetradic

#3A7BD9 #D93ACB #D9983A #3AD949

square

#3A7BD9 #D93ACB #D9983A #3AD949

split-complementary

#3A7BD9 #D9493A #CBD93A

monochromatic

#194380 #235EB3 #3A7BD9 #6D9DE3 #A1C0ED

Accessibility & contrast

On white

4.19

#3A7BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3A7BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BD9

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BD9	#FFFFFF	#000000	##000000
##3A7BD9	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C84DD

Deuteranopia (green-blind)

#2E75D7

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3a7bd9;
/* rgb */ color: rgb(58, 123, 217);
/* oklch */ color: oklch(58.9% 0.159 258.0);

Tailwind

colors: {
  custom: {
    50: '#84a0e5',
    500: '#3a7bd9',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bd9;
$custom-light: #84a0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bd9",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 217
  },
  "hsl": {
    "h": 215.472,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58874,
    "c": 0.15853,
    "h": 258
  },
  "luminance": 0.20075
}

Semantic roles & 50–950 ramp

primary

#3A7BD9

secondary

#D9BE95

accent

#A43DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3A7BD9

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

Preview Lab → · Contrast checker → · Palette generator →