#3A77CF#3A77CF

#3A77CF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.4% C 0.150 H 257.9°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A77CF
RGB	rgb(58, 119, 207)
HSL	hsl(215, 61%, 52%)
HSV	hsv(215, 72%, 81%)
CMYK	cmyk(72%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.21, 10.01, -51.23)
CIE-LCH	lch(50.21, 52.20, 281.05°)
OKLab	oklab(57.36% -0.0315 -0.1465)
OKLCH	oklch(57.36% 0.15 257.9)
XYZ	xyz(19.6001, 18.5961, 61.5758)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77CF #CF923A

analogous

#3AC2CF #3A77CF #483ACF

triadic

#3A77CF #CF3A77 #77CF3A

tetradic

#3A77CF #CF3AC2 #CF923A #3ACF48

square

#3A77CF #CF3AC2 #CF923A #3ACF48

split-complementary

#3A77CF #CF483A #C2CF3A

monochromatic

#1C3F73 #285BA4 #3A77CF #6B99DB #9CBBE7

Accessibility & contrast

On white

4.45

#3A77CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3A77CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77CF

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77CF	#FFFFFF	#000000	##000000
##3A77CF	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7FD2

Deuteranopia (green-blind)

#3271CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a77cf;
/* rgb */ color: rgb(58, 119, 207);
/* oklch */ color: oklch(57.4% 0.150 257.9);

Tailwind

colors: {
  custom: {
    50: '#829dde',
    500: '#3a77cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a77cf;
$custom-light: #829dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77cf",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 215.436,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57363,
    "c": 0.14983,
    "h": 257.9
  },
  "luminance": 0.18598
}

Semantic roles & 50–950 ramp

primary

#3A77CF

secondary

#D3B892

accent

#A244E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77CF

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

Preview Lab → · Contrast checker → · Palette generator →