#2B3A88#2B3A88

#2B3A88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.131 H 270.8°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A88
RGB	rgb(43, 58, 136)
HSL	hsl(230, 52%, 35%)
HSV	hsv(230, 68%, 53%)
CMYK	cmyk(68.4%, 57.4%, 0%, 46.7%)
CIE-LAB	lab(27.62, 21.09, -45.52)
CIE-LCH	lch(27.62, 50.17, 294.86°)
OKLab	oklab(38.41% 0.0017 -0.1309)
OKLCH	oklch(38.41% 0.131 270.8)
XYZ	xyz(6.9517, 5.3166, 23.9476)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A88 #88792B

analogous

#2B6888 #2B3A88 #4B2B88

triadic

#2B3A88 #882B3A #3A882B

tetradic

#2B3A88 #882B68 #88792B #2B884B

square

#2B3A88 #882B68 #88792B #2B884B

split-complementary

#2B3A88 #884B2B #68882B

monochromatic

#0E122B #1C265A #2B3A88 #3A4EB6 #6172CD

Accessibility & contrast

On white

10.18

#2B3A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B3A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A88

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A88	#FFFFFF	#000000	##FFFFFF
##2B3A88	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3a88;
/* rgb */ color: rgb(43, 58, 136);
/* oklch */ color: oklch(38.4% 0.131 270.8);

Tailwind

colors: {
  custom: {
    50: '#706fab',
    500: '#2b3a88',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a88;
$custom-light: #706fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a88",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 136
  },
  "hsl": {
    "h": 230.323,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38409,
    "c": 0.13095,
    "h": 270.8
  },
  "luminance": 0.05317
}

Semantic roles & 50–950 ramp

primary

#2B3A88

secondary

#B3A55C

accent

#C44CDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3A88

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

Preview Lab → · Contrast checker → · Palette generator →