#3A77CE#3A77CE

#3A77CE is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.148 H 257.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A77CE
RGB	rgb(58, 119, 206)
HSL	hsl(215, 60%, 52%)
HSV	hsv(215, 72%, 81%)
CMYK	cmyk(71.8%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.15, 9.64, -50.76)
CIE-LCH	lch(50.15, 51.67, 280.76°)
OKLab	oklab(57.3% -0.0317 -0.1451)
OKLCH	oklch(57.3% 0.149 257.7)
XYZ	xyz(19.4783, 18.5473, 60.9340)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77CE #CE913A

analogous

#3AC1CE #3A77CE #473ACE

triadic

#3A77CE #CE3A77 #77CE3A

tetradic

#3A77CE #CE3AC1 #CE913A #3ACE47

square

#3A77CE #CE3AC1 #CE913A #3ACE47

split-complementary

#3A77CE #CE473A #C1CE3A

monochromatic

#1C3F71 #285BA2 #3A77CE #6B99DA #9CBBE6

Accessibility & contrast

On white

4.46

#3A77CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3A77CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77CE

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77CE	#FFFFFF	#000000	##000000
##3A77CE	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD1

Deuteranopia (green-blind)

#3371CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a77ce;
/* rgb */ color: rgb(58, 119, 206);
/* oklch */ color: oklch(57.3% 0.148 257.7);

Tailwind

colors: {
  custom: {
    50: '#829ddd',
    500: '#3a77ce',
    950: '#000000',
  },
}

SCSS

$custom: #3a77ce;
$custom-light: #829ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77ce",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 215.27,
    "s": 60.163,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57299,
    "c": 0.1485,
    "h": 257.7
  },
  "luminance": 0.18549
}

Semantic roles & 50–950 ramp

primary

#3A77CE

secondary

#D2B891

accent

#A244E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77CE

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

Preview Lab → · Contrast checker → · Palette generator →