#2A179E#2A179E

#2A179E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.197 H 275.5°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A179E
RGB	rgb(42, 23, 158)
HSL	hsl(248, 75%, 35%)
HSV	hsv(248, 85%, 62%)
CMYK	cmyk(73.4%, 85.4%, 0%, 38%)
CIE-LAB	lab(22.21, 49.12, -67.98)
CIE-LCH	lch(22.21, 83.87, 305.85°)
OKLab	oklab(35.15% 0.0189 -0.1965)
OKLCH	oklch(35.15% 0.197 275.5)
XYZ	xyz(7.4308, 3.5729, 32.6392)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A179E #8B9E17

analogous

#17489E #2A179E #6D179E

triadic

#2A179E #9E2A17 #179E2A

tetradic

#2A179E #9E1748 #8B9E17 #179E6D

square

#2A179E #9E1748 #8B9E17 #179E6D

split-complementary

#2A179E #9E6D17 #489E17

monochromatic

#0E0733 #1C0F69 #2A179E #381FD3 #604BE5

Accessibility & contrast

On white

12.25

#2A179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2A179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A179E

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A179E	#FFFFFF	#000000	##FFFFFF
##2A179E	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA2

Deuteranopia (green-blind)

#002F9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a179e;
/* rgb */ color: rgb(42, 23, 158);
/* oklch */ color: oklch(35.1% 0.197 275.5);

Tailwind

colors: {
  custom: {
    50: '#785abc',
    500: '#2a179e',
    950: '#000000',
  },
}

SCSS

$custom: #2a179e;
$custom-light: #785abc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a179e",
  "rgb": {
    "r": 42,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 248.444,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3515,
    "c": 0.19738,
    "h": 275.5
  },
  "luminance": 0.03574
}

Semantic roles & 50–950 ramp

primary

#2A179E

secondary

#B5C64A

accent

#F137D7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2A179E

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

Preview Lab → · Contrast checker → · Palette generator →