#2B4587#2B4587

#2B4587 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.115 H 265.4°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B4587
RGB	rgb(43, 69, 135)
HSL	hsl(223, 52%, 35%)
HSV	hsv(223, 68%, 53%)
CMYK	cmyk(68.1%, 48.9%, 0%, 47.1%)
CIE-LAB	lab(30.68, 13.20, -39.95)
CIE-LCH	lch(30.68, 42.08, 288.28°)
OKLab	oklab(40.71% -0.0091 -0.1144)
OKLCH	oklch(40.71% 0.115 265.4)
XYZ	xyz(7.4960, 6.5184, 23.7801)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4587 #876D2B

analogous

#2B7387 #2B4587 #3F2B87

triadic

#2B4587 #872B45 #45872B

tetradic

#2B4587 #872B73 #876D2B #2B873F

square

#2B4587 #872B73 #876D2B #2B873F

split-complementary

#2B4587 #873F2B #73872B

monochromatic

#0D162A #1C2D59 #2B4587 #3A5DB5 #607FCC

Accessibility & contrast

On white

9.12

#2B4587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B4587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4587

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4587	#FFFFFF	#000000	##FFFFFF
##2B4587	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234D89

Deuteranopia (green-blind)

#0F4486

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b4587;
/* rgb */ color: rgb(43, 69, 135);
/* oklch */ color: oklch(40.7% 0.115 265.4);

Tailwind

colors: {
  custom: {
    50: '#6f78aa',
    500: '#2b4587',
    950: '#000000',
  },
}

SCSS

$custom: #2b4587;
$custom-light: #6f78aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4587",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 135
  },
  "hsl": {
    "h": 223.043,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40707,
    "c": 0.11475,
    "h": 265.4
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#2B4587

secondary

#B29A5B

accent

#B34DDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4587

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

Preview Lab → · Contrast checker → · Palette generator →