#2F58B1#2F58B1

#2F58B1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.149 H 263.3°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F58B1
RGB	rgb(47, 88, 177)
HSL	hsl(221, 58%, 44%)
HSV	hsv(221, 73%, 69%)
CMYK	cmyk(73.4%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(39.17, 17.12, -51.62)
CIE-LCH	lch(39.17, 54.38, 288.35°)
OKLab	oklab(48.15% -0.0174 -0.1483)
OKLCH	oklch(48.15% 0.149 263.3)
XYZ	xyz(12.5950, 10.7568, 42.9989)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F58B1 #B1882F

analogous

#2F99B1 #2F58B1 #472FB1

triadic

#2F58B1 #B12F58 #58B12F

tetradic

#2F58B1 #B12F99 #B1882F #2FB147

square

#2F58B1 #B12F99 #B1882F #2FB147

split-complementary

#2F58B1 #B1472F #99B12F

monochromatic

#152850 #224081 #2F58B1 #4D77D0 #7E9CDD

Accessibility & contrast

On white

6.66

#2F58B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2F58B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F58B1

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F58B1	#FFFFFF	#000000	##FFFFFF
##2F58B1	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B4

Deuteranopia (green-blind)

#0057AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2f58b1;
/* rgb */ color: rgb(47, 88, 177);
/* oklch */ color: oklch(48.1% 0.149 263.3);

Tailwind

colors: {
  custom: {
    50: '#7986c9',
    500: '#2f58b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f58b1;
$custom-light: #7986c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f58b1",
  "rgb": {
    "r": 47,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 221.077,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48148,
    "c": 0.14933,
    "h": 263.3
  },
  "luminance": 0.10758
}

Semantic roles & 50–950 ramp

primary

#2F58B1

secondary

#C5AC76

accent

#B047E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F58B1

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

Preview Lab → · Contrast checker → · Palette generator →