#3055B0#3055B0

#3055B0 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.5% C 0.151 H 264.6°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3055B0
RGB	rgb(48, 85, 176)
HSL	hsl(223, 57%, 44%)
HSV	hsv(223, 73%, 69%)
CMYK	cmyk(72.7%, 51.7%, 0%, 31%)
CIE-LAB	lab(38.30, 18.85, -52.42)
CIE-LCH	lch(38.30, 55.71, 289.78°)
OKLab	oklab(47.48% -0.0142 -0.1507)
OKLCH	oklch(47.48% 0.151 264.6)
XYZ	xyz(12.3011, 10.2587, 42.3977)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3055B0 #B08B30

analogous

#3095B0 #3055B0 #4B30B0

triadic

#3055B0 #B03055 #55B030

tetradic

#3055B0 #B03095 #B08B30 #30B04B

square

#3055B0 #B03095 #B08B30 #30B04B

split-complementary

#3055B0 #B04B30 #95B030

monochromatic

#162750 #233E80 #3055B0 #4E74CF #7E99DC

Accessibility & contrast

On white

6.88

#3055B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3055B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3055B0

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3055B0	#FFFFFF	#000000	##FFFFFF
##3055B0	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B60B3

Deuteranopia (green-blind)

#0055AE

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3055b0;
/* rgb */ color: rgb(48, 85, 176);
/* oklch */ color: oklch(47.5% 0.151 264.6);

Tailwind

colors: {
  custom: {
    50: '#7984c8',
    500: '#3055b0',
    950: '#000000',
  },
}

SCSS

$custom: #3055b0;
$custom-light: #7984c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3055b0",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 176
  },
  "hsl": {
    "h": 222.656,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47478,
    "c": 0.15139,
    "h": 264.6
  },
  "luminance": 0.1026
}

Semantic roles & 50–950 ramp

primary

#3055B0

secondary

#C5AE77

accent

#B447E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3055B0

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

Preview Lab → · Contrast checker → · Palette generator →