#2F59B4#2F59B4

#2F59B4 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.152 H 263.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2F59B4
RGB	rgb(47, 89, 180)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 74%, 71%)
CMYK	cmyk(73.9%, 50.6%, 0%, 29.4%)
CIE-LAB	lab(39.65, 17.60, -52.60)
CIE-LCH	lch(39.65, 55.47, 288.50°)
OKLab	oklab(48.58% -0.0179 -0.1512)
OKLCH	oklch(48.58% 0.152 263.2)
XYZ	xyz(12.9800, 11.0430, 44.6186)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59B4 #B48A2F

analogous

#2F9BB4 #2F59B4 #482FB4

triadic

#2F59B4 #B42F59 #59B42F

tetradic

#2F59B4 #B42F9B #B48A2F #2FB448

square

#2F59B4 #B42F9B #B48A2F #2FB448

split-complementary

#2F59B4 #B4482F #9BB42F

monochromatic

#162953 #224183 #2F59B4 #4F78D1 #809DDE

Accessibility & contrast

On white

6.54

#2F59B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2F59B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59B4

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59B4	#FFFFFF	#000000	##FFFFFF
##2F59B4	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2264B7

Deuteranopia (green-blind)

#0058B2

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2f59b4;
/* rgb */ color: rgb(47, 89, 180);
/* oklch */ color: oklch(48.6% 0.152 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a87cb',
    500: '#2f59b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f59b4;
$custom-light: #7a87cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59b4",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 180
  },
  "hsl": {
    "h": 221.053,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48583,
    "c": 0.15225,
    "h": 263.2
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#2F59B4

secondary

#C7AE78

accent

#B146E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F59B4

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

Preview Lab → · Contrast checker → · Palette generator →