#2A4587#2A4587

#2A4587 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.115 H 265.0°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A4587
RGB	rgb(42, 69, 135)
HSL	hsl(223, 53%, 35%)
HSV	hsv(223, 69%, 53%)
CMYK	cmyk(68.9%, 48.9%, 0%, 47.1%)
CIE-LAB	lab(30.63, 13.02, -40.04)
CIE-LCH	lch(30.63, 42.10, 288.01°)
OKLab	oklab(40.65% -0.0101 -0.1147)
OKLCH	oklch(40.65% 0.115 265)
XYZ	xyz(7.4546, 6.4970, 23.7782)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4587 #876C2A

analogous

#2A7387 #2A4587 #3E2A87

triadic

#2A4587 #872A45 #45872A

tetradic

#2A4587 #872A73 #876C2A #2A873E

square

#2A4587 #872A73 #876C2A #2A873E

split-complementary

#2A4587 #873E2A #73872A

monochromatic

#0D152A #1B2D58 #2A4587 #395DB6 #5E7ECD

Accessibility & contrast

On white

9.13

#2A4587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2A4587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4587

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4587	#FFFFFF	#000000	##FFFFFF
##2A4587	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234D89

Deuteranopia (green-blind)

#0E4486

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a4587;
/* rgb */ color: rgb(42, 69, 135);
/* oklch */ color: oklch(40.7% 0.115 265.0);

Tailwind

colors: {
  custom: {
    50: '#6f78aa',
    500: '#2a4587',
    950: '#000000',
  },
}

SCSS

$custom: #2a4587;
$custom-light: #6f78aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4587",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 135
  },
  "hsl": {
    "h": 222.581,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40654,
    "c": 0.1151,
    "h": 265
  },
  "luminance": 0.06498
}

Semantic roles & 50–950 ramp

primary

#2A4587

secondary

#B3995A

accent

#B24CDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A4587

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

Preview Lab → · Contrast checker → · Palette generator →