#02153B#02153B

#02153B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 20.9% C 0.078 H 260.6°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#02153B
RGB	rgb(2, 21, 59)
HSL	hsl(220, 93%, 12%)
HSV	hsv(220, 97%, 23%)
CMYK	cmyk(96.6%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(7.81, 9.85, -26.77)
CIE-LCH	lch(7.81, 28.52, 290.20°)
OKLab	oklab(20.86% -0.0129 -0.0774)
OKLCH	oklch(20.86% 0.078 260.6)
XYZ	xyz(1.0823, 0.8649, 4.2467)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02153B #3B2802

analogous

#02323B #02153B #0C023B

triadic

#02153B #3B0215 #153B02

tetradic

#02153B #3B0232 #3B2802 #023B0C

square

#02153B #3B0232 #3B2802 #023B0C

split-complementary

#02153B #3B0C02 #323B02

monochromatic

#010B1E #010B1E #02153B #042A76 #063FB1

Accessibility & contrast

On white

17.90

#02153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#02153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02153B

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02153B	#FFFFFF	#000000	##FFFFFF
##02153B	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #02153b;
/* rgb */ color: rgb(2, 21, 59);
/* oklch */ color: oklch(20.9% 0.078 260.6);

Tailwind

colors: {
  custom: {
    50: '#4e5171',
    500: '#02153b',
    950: '#000000',
  },
}

SCSS

$custom: #02153b;
$custom-light: #4e5171;
$custom-dark: #000000;

JSON

{
  "hex": "#02153b",
  "rgb": {
    "r": 2,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 220,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.20864,
    "c": 0.07846,
    "h": 260.6
  },
  "luminance": 0.00865
}

Semantic roles & 50–950 ramp

primary

#02153B

secondary

#7E5D1A

accent

#B829FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #02153B

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

Preview Lab → · Contrast checker → · Palette generator →