#3058BC#3058BC

#3058BC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.164 H 264.6°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3058BC
RGB	rgb(48, 88, 188)
HSL	hsl(223, 59%, 46%)
HSV	hsv(223, 74%, 74%)
CMYK	cmyk(74.5%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(39.98, 21.40, -56.76)
CIE-LCH	lch(39.98, 60.66, 290.66°)
OKLab	oklab(49.02% -0.0154 -0.1634)
OKLCH	oklch(49.02% 0.164 264.6)
XYZ	xyz(13.7825, 11.2372, 49.0098)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3058BC #BC9430

analogous

#309EBC #3058BC #4E30BC

triadic

#3058BC #BC3058 #58BC30

tetradic

#3058BC #BC309E #BC9430 #30BC4E

square

#3058BC #BC309E #BC9430 #30BC4E

split-complementary

#3058BC #BC4E30 #9EBC30

monochromatic

#172A5A #24418B #3058BC #557AD4 #86A0E0

Accessibility & contrast

On white

6.47

#3058BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3058BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3058BC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3058BC	#FFFFFF	#000000	##FFFFFF
##3058BC	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D65C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3058bc;
/* rgb */ color: rgb(48, 88, 188);
/* oklch */ color: oklch(49.0% 0.164 264.6);

Tailwind

colors: {
  custom: {
    50: '#7c86d1',
    500: '#3058bc',
    950: '#000000',
  },
}

SCSS

$custom: #3058bc;
$custom-light: #7c86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3058bc",
  "rgb": {
    "r": 48,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 222.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49019,
    "c": 0.16417,
    "h": 264.6
  },
  "luminance": 0.11239
}

Semantic roles & 50–950 ramp

primary

#3058BC

secondary

#CAB47E

accent

#B645E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3058BC

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

Preview Lab → · Contrast checker → · Palette generator →