#2F5CB1#2F5CB1

#2F5CB1 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.144 H 261.7°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F5CB1
RGB	rgb(47, 92, 177)
HSL	hsl(219, 58%, 44%)
HSV	hsv(219, 73%, 69%)
CMYK	cmyk(73.4%, 48%, 0%, 30.6%)
CIE-LAB	lab(40.30, 14.50, -49.80)
CIE-LCH	lch(40.30, 51.86, 286.24°)
OKLab	oklab(49.01% -0.0209 -0.1429)
OKLCH	oklch(49.01% 0.144 261.7)
XYZ	xyz(12.9324, 11.4316, 43.1114)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5CB1 #B1842F

analogous

#2F9DB1 #2F5CB1 #432FB1

triadic

#2F5CB1 #B12F5C #5CB12F

tetradic

#2F5CB1 #B12F9D #B1842F #2FB143

square

#2F5CB1 #B12F9D #B1842F #2FB143

split-complementary

#2F5CB1 #B1432F #9DB12F

monochromatic

#152A50 #224381 #2F5CB1 #4D7BD0 #7E9FDD

Accessibility & contrast

On white

6.39

#2F5CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#2F5CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5CB1

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5CB1	#FFFFFF	#000000	##FFFFFF
##2F5CB1	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B4

Deuteranopia (green-blind)

#0859AF

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5cb1;
/* rgb */ color: rgb(47, 92, 177);
/* oklch */ color: oklch(49.0% 0.144 261.7);

Tailwind

colors: {
  custom: {
    50: '#7989c9',
    500: '#2f5cb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f5cb1;
$custom-light: #7989c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5cb1",
  "rgb": {
    "r": 47,
    "g": 92,
    "b": 177
  },
  "hsl": {
    "h": 219.231,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49012,
    "c": 0.1444,
    "h": 261.7
  },
  "luminance": 0.11433
}

Semantic roles & 50–950 ramp

primary

#2F5CB1

secondary

#C5AA76

accent

#AC47E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5CB1

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

Preview Lab → · Contrast checker → · Palette generator →