#3A74C8#3A74C8

#3A74C8 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.3% C 0.144 H 257.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3A74C8
RGB	rgb(58, 116, 200)
HSL	hsl(215, 56%, 51%)
HSV	hsv(215, 71%, 78%)
CMYK	cmyk(71%, 42%, 0%, 21.6%)
CIE-LAB	lab(48.96, 9.32, -49.24)
CIE-LCH	lch(48.96, 50.12, 280.72°)
OKLab	oklab(56.26% -0.0302 -0.1407)
OKLCH	oklch(56.26% 0.144 257.9)
XYZ	xyz(18.4119, 17.5585, 57.0512)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74C8 #C88E3A

analogous

#3ABBC8 #3A74C8 #473AC8

triadic

#3A74C8 #C83A74 #74C83A

tetradic

#3A74C8 #C83ABB #C88E3A #3AC847

square

#3A74C8 #C83ABB #C88E3A #3AC847

split-complementary

#3A74C8 #C8473A #BBC83A

monochromatic

#1E3D6A #2B589A #3A74C8 #6A96D5 #9AB8E3

Accessibility & contrast

On white

4.65

#3A74C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3A74C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74C8

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74C8	#FFFFFF	#000000	##FFFFFF
##3A74C8	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7BCB

Deuteranopia (green-blind)

#346EC6

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a74c8;
/* rgb */ color: rgb(58, 116, 200);
/* oklch */ color: oklch(56.3% 0.144 257.9);

Tailwind

colors: {
  custom: {
    50: '#819bd9',
    500: '#3a74c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a74c8;
$custom-light: #819bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74c8",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 200
  },
  "hsl": {
    "h": 215.493,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5626,
    "c": 0.14389,
    "h": 257.9
  },
  "luminance": 0.1756
}

Semantic roles & 50–950 ramp

primary

#3A74C8

secondary

#CEB58F

accent

#A248E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74C8

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

Preview Lab → · Contrast checker → · Palette generator →