#2F599B#2F599B

#2F599B is a mid, moderate blue. Relative luminance 0.101; OKLCH L 46.8% C 0.117 H 259.1°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F599B
RGB	rgb(47, 89, 155)
HSL	hsl(217, 53%, 40%)
HSV	hsv(217, 70%, 61%)
CMYK	cmyk(69.7%, 42.6%, 0%, 39.2%)
CIE-LAB	lab(38.05, 8.15, -40.33)
CIE-LCH	lch(38.05, 41.15, 281.43°)
OKLab	oklab(46.83% -0.0221 -0.1151)
OKLCH	oklch(46.83% 0.117 259.1)
XYZ	xyz(10.6589, 10.1146, 32.3946)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F599B #9B712F

analogous

#2F8F9B #2F599B #3B2F9B

triadic

#2F599B #9B2F59 #599B2F

tetradic

#2F599B #9B2F8F #9B712F #2F9B3B

square

#2F599B #9B2F8F #9B712F #2F9B3B

split-complementary

#2F599B #9B3B2F #8F9B2F

monochromatic

#13233D #213E6C #2F599B #4275C6 #7197D4

Accessibility & contrast

On white

6.95

#2F599B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2F599B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F599B

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F599B	#FFFFFF	#000000	##FFFFFF
##2F599B	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5F9E

Deuteranopia (green-blind)

#29559A

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f599b;
/* rgb */ color: rgb(47, 89, 155);
/* oklch */ color: oklch(46.8% 0.117 259.1);

Tailwind

colors: {
  custom: {
    50: '#7487b9',
    500: '#2f599b',
    950: '#000000',
  },
}

SCSS

$custom: #2f599b;
$custom-light: #7487b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f599b",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 155
  },
  "hsl": {
    "h": 216.667,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46833,
    "c": 0.11721,
    "h": 259.1
  },
  "luminance": 0.10116
}

Semantic roles & 50–950 ramp

primary

#2F599B

secondary

#BB9C6A

accent

#A44BDD

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2F599B

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

Preview Lab → · Contrast checker → · Palette generator →