#211757#211757

#211757 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.4% C 0.110 H 283.0°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#211757
RGB	rgb(33, 23, 87)
HSL	hsl(249, 58%, 22%)
HSV	hsv(249, 74%, 34%)
CMYK	cmyk(62.1%, 73.6%, 0%, 65.9%)
CIE-LAB	lab(13.38, 25.06, -37.08)
CIE-LCH	lch(13.38, 44.75, 304.05°)
OKLab	oklab(26.4% 0.0247 -0.1067)
OKLCH	oklch(26.4% 0.11 283)
XYZ	xyz(2.6534, 1.6241, 9.1886)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211757 #4D5717

analogous

#172D57 #211757 #411757

triadic

#211757 #572117 #175721

tetradic

#211757 #57172D #4D5717 #175741

square

#211757 #57172D #4D5717 #175741

split-complementary

#211757 #574117 #2D5717

monochromatic

#090618 #0F0A27 #211757 #332487 #4631B8

Accessibility & contrast

On white

15.85

#211757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#211757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211757

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211757	#FFFFFF	#000000	##FFFFFF
##211757	1.00	15.85	1.32	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002459

Deuteranopia (green-blind)

#002056

Tritanopia (blue-blind)

#052834

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #211757;
/* rgb */ color: rgb(33, 23, 87);
/* oklch */ color: oklch(26.4% 0.110 283.0);

Tailwind

colors: {
  custom: {
    50: '#635587',
    500: '#211757',
    950: '#000000',
  },
}

SCSS

$custom: #211757;
$custom-light: #635587;
$custom-dark: #000000;

JSON

{
  "hex": "#211757",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 87
  },
  "hsl": {
    "h": 249.375,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.26399,
    "c": 0.10952,
    "h": 283
  },
  "luminance": 0.01624
}

Semantic roles & 50–950 ramp

primary

#211757

secondary

#818E3C

accent

#E146C9

background

#F6F4F8

surface

#EBE8EF

border

#C6C4CA

text

#06030B

muted

#7A787C

Preview Lab

Preview with #211757

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

Preview Lab → · Contrast checker → · Palette generator →