#2F58B2#2F58B2

#2F58B2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.151 H 263.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#2F58B2
RGB	rgb(47, 88, 178)
HSL	hsl(221, 58%, 44%)
HSV	hsv(221, 74%, 70%)
CMYK	cmyk(73.6%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(39.24, 17.50, -52.10)
CIE-LCH	lch(39.24, 54.96, 288.57°)
OKLab	oklab(48.22% -0.0173 -0.1497)
OKLCH	oklch(48.22% 0.151 263.4)
XYZ	xyz(12.6950, 10.7968, 43.5258)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F58B2 #B2892F

analogous

#2F9AB2 #2F58B2 #472FB2

triadic

#2F58B2 #B22F58 #58B22F

tetradic

#2F58B2 #B22F9A #B2892F #2FB247

square

#2F58B2 #B22F9A #B2892F #2FB247

split-complementary

#2F58B2 #B2472F #9AB22F

monochromatic

#152851 #224082 #2F58B2 #4E77D0 #7E9CDD

Accessibility & contrast

On white

6.65

#2F58B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2F58B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F58B2

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F58B2	#FFFFFF	#000000	##FFFFFF
##2F58B2	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2263B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2f58b2;
/* rgb */ color: rgb(47, 88, 178);
/* oklch */ color: oklch(48.2% 0.151 263.4);

Tailwind

colors: {
  custom: {
    50: '#7986ca',
    500: '#2f58b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f58b2;
$custom-light: #7986ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f58b2",
  "rgb": {
    "r": 47,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 221.221,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48222,
    "c": 0.15072,
    "h": 263.4
  },
  "luminance": 0.10798
}

Semantic roles & 50–950 ramp

primary

#2F58B2

secondary

#C6AD77

accent

#B146E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F58B2

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

Preview Lab → · Contrast checker → · Palette generator →