#2A5188#2A5188

#2A5188 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.5% C 0.102 H 257.3°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A5188
RGB	rgb(42, 81, 136)
HSL	hsl(215, 53%, 35%)
HSV	hsv(215, 69%, 53%)
CMYK	cmyk(69.1%, 40.4%, 0%, 46.7%)
CIE-LAB	lab(34.30, 5.37, -34.79)
CIE-LCH	lch(34.30, 35.20, 278.77°)
OKLab	oklab(43.5% -0.0223 -0.0991)
OKLCH	oklch(43.5% 0.102 257.3)
XYZ	xyz(8.3396, 8.1538, 24.4221)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5188 #88612A

analogous

#2A8088 #2A5188 #322A88

triadic

#2A5188 #882A51 #51882A

tetradic

#2A5188 #882A80 #88612A #2A8832

square

#2A5188 #882A80 #88612A #2A8832

split-complementary

#2A5188 #88322A #80882A

monochromatic

#0D192A #1C3559 #2A5188 #386DB7 #5F8DCE

Accessibility & contrast

On white

7.98

#2A5188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2A5188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A5188

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5188	#FFFFFF	#000000	##FFFFFF
##2A5188	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38558A

Deuteranopia (green-blind)

#2A4D87

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a5188;
/* rgb */ color: rgb(42, 81, 136);
/* oklch */ color: oklch(43.5% 0.102 257.3);

Tailwind

colors: {
  custom: {
    50: '#6f81ab',
    500: '#2a5188',
    950: '#000000',
  },
}

SCSS

$custom: #2a5188;
$custom-light: #6f81ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5188",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 136
  },
  "hsl": {
    "h": 215.106,
    "s": 52.809,
    "l": 34.902
  },
  "oklch": {
    "l": 0.43503,
    "c": 0.10154,
    "h": 257.3
  },
  "luminance": 0.08155
}

Semantic roles & 50–950 ramp

primary

#2A5188

secondary

#B38E5B

accent

#A04CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2A5188

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

Preview Lab → · Contrast checker → · Palette generator →