#2A4B81#2A4B81

#2A4B81 is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.6% C 0.099 H 259.8°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A4B81
RGB	rgb(42, 75, 129)
HSL	hsl(217, 51%, 34%)
HSV	hsv(217, 67%, 51%)
CMYK	cmyk(67.4%, 41.9%, 0%, 49.4%)
CIE-LAB	lab(32.05, 6.68, -34.05)
CIE-LCH	lch(32.05, 34.70, 281.10°)
OKLab	oklab(41.62% -0.0175 -0.097)
OKLCH	oklch(41.62% 0.099 259.8)
XYZ	xyz(7.4320, 7.1087, 21.7451)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4B81 #81602A

analogous

#2A7681 #2A4B81 #342A81

triadic

#2A4B81 #812A4B #4B812A

tetradic

#2A4B81 #812A76 #81602A #2A8134

square

#2A4B81 #812A76 #81602A #2A8134

split-complementary

#2A4B81 #81342A #76812A

monochromatic

#0C1525 #1B3053 #2A4B81 #3966AF #5C85CA

Accessibility & contrast

On white

8.67

#2A4B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2A4B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4B81

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4B81	#FFFFFF	#000000	##FFFFFF
##2A4B81	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335083

Deuteranopia (green-blind)

#264880

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a4b81;
/* rgb */ color: rgb(42, 75, 129);
/* oklch */ color: oklch(41.6% 0.099 259.8);

Tailwind

colors: {
  custom: {
    50: '#6d7ca6',
    500: '#2a4b81',
    950: '#000000',
  },
}

SCSS

$custom: #2a4b81;
$custom-light: #6d7ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4b81",
  "rgb": {
    "r": 42,
    "g": 75,
    "b": 129
  },
  "hsl": {
    "h": 217.241,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41624,
    "c": 0.09856,
    "h": 259.8
  },
  "luminance": 0.07109
}

Semantic roles & 50–950 ramp

primary

#2A4B81

secondary

#AF8E57

accent

#A54DDA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2A4B81

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

Preview Lab → · Contrast checker → · Palette generator →