#2F58B3#2F58B3

#2F58B3 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.152 H 263.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F58B3
RGB	rgb(47, 88, 179)
HSL	hsl(221, 58%, 44%)
HSV	hsv(221, 74%, 70%)
CMYK	cmyk(73.7%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(39.30, 17.88, -52.57)
CIE-LCH	lch(39.30, 55.53, 288.78°)
OKLab	oklab(48.3% -0.0172 -0.1511)
OKLCH	oklch(48.3% 0.152 263.5)
XYZ	xyz(12.7958, 10.8371, 44.0565)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F58B3 #B38A2F

analogous

#2F9AB3 #2F58B3 #482FB3

triadic

#2F58B3 #B32F58 #58B32F

tetradic

#2F58B3 #B32F9A #B38A2F #2FB348

square

#2F58B3 #B32F9A #B38A2F #2FB348

split-complementary

#2F58B3 #B3482F #9AB32F

monochromatic

#162852 #224083 #2F58B3 #4F77D1 #7F9CDD

Accessibility & contrast

On white

6.63

#2F58B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2F58B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F58B3

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F58B3	#FFFFFF	#000000	##FFFFFF
##2F58B3	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2063B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2f58b3;
/* rgb */ color: rgb(47, 88, 179);
/* oklch */ color: oklch(48.3% 0.152 263.5);

Tailwind

colors: {
  custom: {
    50: '#7986ca',
    500: '#2f58b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f58b3;
$custom-light: #7986ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f58b3",
  "rgb": {
    "r": 47,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 221.364,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48296,
    "c": 0.15211,
    "h": 263.5
  },
  "luminance": 0.10838
}

Semantic roles & 50–950 ramp

primary

#2F58B3

secondary

#C6AE78

accent

#B146E2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F58B3

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

Preview Lab → · Contrast checker → · Palette generator →