#2F5BB1#2F5BB1

#2F5BB1 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.8% C 0.146 H 262.1°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BB1
RGB	rgb(47, 91, 177)
HSL	hsl(220, 58%, 44%)
HSV	hsv(220, 73%, 69%)
CMYK	cmyk(73.4%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(40.01, 15.16, -50.25)
CIE-LCH	lch(40.01, 52.49, 286.78°)
OKLab	oklab(48.8% -0.02 -0.1442)
OKLCH	oklch(48.8% 0.146 262.1)
XYZ	xyz(12.8463, 11.2594, 43.0827)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BB1 #B1852F

analogous

#2F9CB1 #2F5BB1 #442FB1

triadic

#2F5BB1 #B12F5B #5BB12F

tetradic

#2F5BB1 #B12F9C #B1852F #2FB144

square

#2F5BB1 #B12F9C #B1852F #2FB144

split-complementary

#2F5BB1 #B1442F #9CB12F

monochromatic

#152950 #224281 #2F5BB1 #4D7AD0 #7E9EDD

Accessibility & contrast

On white

6.46

#2F5BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2F5BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BB1

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BB1	#FFFFFF	#000000	##FFFFFF
##2F5BB1	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B65B4

Deuteranopia (green-blind)

#0159AF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2f5bb1;
/* rgb */ color: rgb(47, 91, 177);
/* oklch */ color: oklch(48.8% 0.146 262.1);

Tailwind

colors: {
  custom: {
    50: '#7988c9',
    500: '#2f5bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bb1;
$custom-light: #7988c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bb1",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 219.692,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48795,
    "c": 0.14563,
    "h": 262.1
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#2F5BB1

secondary

#C5AB76

accent

#AD47E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5BB1

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

Preview Lab → · Contrast checker → · Palette generator →