#212B4E#212B4E

#212B4E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.065 H 270.1°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#212B4E
RGB	rgb(33, 43, 78)
HSL	hsl(227, 41%, 22%)
HSV	hsv(227, 58%, 31%)
CMYK	cmyk(57.7%, 44.9%, 0%, 69.4%)
CIE-LAB	lab(18.37, 7.48, -22.93)
CIE-LCH	lch(18.37, 24.12, 288.06°)
OKLab	oklab(29.9% 0.0001 -0.065)
OKLCH	oklch(29.9% 0.065 270.1)
XYZ	xyz(2.8658, 2.6010, 7.5573)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B4E #4E4421

analogous

#21424E #212B4E #2E214E

triadic

#212B4E #4E212B #2B4E21

tetradic

#212B4E #4E2142 #4E4421 #214E2E

square

#212B4E #4E2142 #4E4421 #214E2E

split-complementary

#212B4E #4E2E21 #424E21

monochromatic

#090C16 #0F1323 #212B4E #334379 #455AA4

Accessibility & contrast

On white

13.81

#212B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#212B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B4E

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B4E	#FFFFFF	#000000	##FFFFFF
##212B4E	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2F4F

Deuteranopia (green-blind)

#182B4D

Tritanopia (blue-blind)

#0C3338

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #212b4e;
/* rgb */ color: rgb(33, 43, 78);
/* oklch */ color: oklch(29.9% 0.065 270.1);

Tailwind

colors: {
  custom: {
    50: '#606480',
    500: '#212b4e',
    950: '#000000',
  },
}

SCSS

$custom: #212b4e;
$custom-light: #606480;
$custom-dark: #000000;

JSON

{
  "hex": "#212b4e",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 78
  },
  "hsl": {
    "h": 226.667,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29897,
    "c": 0.065,
    "h": 270.1
  },
  "luminance": 0.02601
}

Semantic roles & 50–950 ramp

primary

#212B4E

secondary

#827549

accent

#B657D0

background

#F5F5F7

surface

#EAEAEE

border

#C6C6C9

text

#05050A

muted

#79797C

Preview Lab

Preview with #212B4E

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

Preview Lab → · Contrast checker → · Palette generator →