#2B3E8A#2B3E8A

#2B3E8A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.129 H 269.2°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E8A
RGB	rgb(43, 62, 138)
HSL	hsl(228, 52%, 35%)
HSV	hsv(228, 69%, 54%)
CMYK	cmyk(68.8%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.88, 19.11, -44.71)
CIE-LCH	lch(28.88, 48.62, 293.15°)
OKLab	oklab(39.41% -0.0019 -0.1285)
OKLCH	oklch(39.41% 0.129 269.2)
XYZ	xyz(7.3048, 5.7931, 24.7731)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E8A #8A772B

analogous

#2B6D8A #2B3E8A #472B8A

triadic

#2B3E8A #8A2B3E #3E8A2B

tetradic

#2B3E8A #8A2B6D #8A772B #2B8A47

square

#2B3E8A #8A2B6D #8A772B #2B8A47

split-complementary

#2B3E8A #8A472B #6D8A2B

monochromatic

#0E142D #1C295B #2B3E8A #3A53B9 #6177CE

Accessibility & contrast

On white

9.73

#2B3E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B3E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E8A

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E8A	#FFFFFF	#000000	##FFFFFF
##2B3E8A	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08498D

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3e8a;
/* rgb */ color: rgb(43, 62, 138);
/* oklch */ color: oklch(39.4% 0.129 269.2);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2b3e8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e8a;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e8a",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 228,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39409,
    "c": 0.12851,
    "h": 269.2
  },
  "luminance": 0.05794
}

Semantic roles & 50–950 ramp

primary

#2B3E8A

secondary

#B4A35D

accent

#BF4CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B3E8A

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

Preview Lab → · Contrast checker → · Palette generator →