#2A4F87#2A4F87

#2A4F87 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.102 H 258.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2A4F87
RGB	rgb(42, 79, 135)
HSL	hsl(216, 53%, 35%)
HSV	hsv(216, 69%, 53%)
CMYK	cmyk(68.9%, 41.5%, 0%, 47.1%)
CIE-LAB	lab(33.63, 6.30, -35.24)
CIE-LCH	lch(33.63, 35.80, 280.14°)
OKLab	oklab(42.96% -0.0204 -0.1004)
OKLCH	oklch(42.96% 0.102 258.5)
XYZ	xyz(8.1224, 7.8327, 24.0008)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4F87 #87622A

analogous

#2A7E87 #2A4F87 #342A87

triadic

#2A4F87 #872A4F #4F872A

tetradic

#2A4F87 #872A7E #87622A #2A8734

square

#2A4F87 #872A7E #87622A #2A8734

split-complementary

#2A4F87 #87342A #7E872A

monochromatic

#0D182A #1B3458 #2A4F87 #396AB6 #5E8ACD

Accessibility & contrast

On white

8.18

#2A4F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2A4F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4F87

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4F87	#FFFFFF	#000000	##FFFFFF
##2A4F87	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355489

Deuteranopia (green-blind)

#274B86

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a4f87;
/* rgb */ color: rgb(42, 79, 135);
/* oklch */ color: oklch(43.0% 0.102 258.5);

Tailwind

colors: {
  custom: {
    50: '#6e7faa',
    500: '#2a4f87',
    950: '#000000',
  },
}

SCSS

$custom: #2a4f87;
$custom-light: #6e7faa;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4f87",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 135
  },
  "hsl": {
    "h": 216.129,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42964,
    "c": 0.10247,
    "h": 258.5
  },
  "luminance": 0.07833
}

Semantic roles & 50–950 ramp

primary

#2A4F87

secondary

#B38F5A

accent

#A34CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2A4F87

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

Preview Lab → · Contrast checker → · Palette generator →