#3077DB#3077DB

#3077DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.169 H 257.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3077DB
RGB	rgb(48, 119, 219)
HSL	hsl(215, 70%, 52%)
HSV	hsv(215, 78%, 86%)
CMYK	cmyk(78.1%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(50.61, 13.21, -57.42)
CIE-LCH	lch(50.61, 58.92, 282.96°)
OKLab	oklab(57.81% -0.0356 -0.1648)
OKLCH	oklch(57.81% 0.169 257.8)
XYZ	xyz(20.5972, 18.9341, 69.5732)
Luminance	0.1894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3077DB #DB9430

analogous

#30CCDB #3077DB #3F30DB

triadic

#3077DB #DB3077 #77DB30

tetradic

#3077DB #DB30CC #DB9430 #30DB3F

square

#3077DB #DB30CC #DB9430 #30DB3F

split-complementary

#3077DB #DB3F30 #CCDB30

monochromatic

#15407B #1E5BAF #3077DB #6499E4 #98BCED

Accessibility & contrast

On white

4.39

#3077DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3077DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3077DB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3077DB	#FFFFFF	#000000	##000000
##3077DB	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4181DF

Deuteranopia (green-blind)

#1671D9

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3077db;
/* rgb */ color: rgb(48, 119, 219);
/* oklch */ color: oklch(57.8% 0.169 257.8);

Tailwind

colors: {
  custom: {
    50: '#819de7',
    500: '#3077db',
    950: '#000000',
  },
}

SCSS

$custom: #3077db;
$custom-light: #819de7;
$custom-dark: #000000;

JSON

{
  "hex": "#3077db",
  "rgb": {
    "r": 48,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 215.088,
    "s": 70.37,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57813,
    "c": 0.1686,
    "h": 257.8
  },
  "luminance": 0.18937
}

Semantic roles & 50–950 ramp

primary

#3077DB

secondary

#D9BA8E

accent

#A33BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3077DB

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

Preview Lab → · Contrast checker → · Palette generator →