#151E40#151E40

#151E40 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.7% C 0.066 H 269.9°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#151E40
RGB	rgb(21, 30, 64)
HSL	hsl(227, 51%, 17%)
HSV	hsv(227, 67%, 25%)
CMYK	cmyk(67.2%, 53.1%, 0%, 74.9%)
CIE-LAB	lab(12.34, 8.57, -22.96)
CIE-LCH	lch(12.34, 24.51, 290.48°)
OKLab	oklab(24.74% -0.0001 -0.0655)
OKLCH	oklch(24.74% 0.066 269.9)
XYZ	xyz(1.6986, 1.4580, 5.0414)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E40 #403715

analogous

#153440 #151E40 #221540

triadic

#151E40 #40151E #1E4015

tetradic

#151E40 #401534 #403715 #154022

square

#151E40 #401534 #403715 #154022

split-complementary

#151E40 #402215 #344015

monochromatic

#080B17 #080B17 #151E40 #24346E #33499C

Accessibility & contrast

On white

16.26

#151E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E40

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E40	#FFFFFF	#000000	##FFFFFF
##151E40	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2241

Deuteranopia (green-blind)

#071E3F

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151e40;
/* rgb */ color: rgb(21, 30, 64);
/* oklch */ color: oklch(24.7% 0.066 269.9);

Tailwind

colors: {
  custom: {
    50: '#575975',
    500: '#151e40',
    950: '#000000',
  },
}

SCSS

$custom: #151e40;
$custom-light: #575975;
$custom-dark: #000000;

JSON

{
  "hex": "#151e40",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 64
  },
  "hsl": {
    "h": 227.442,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.24744,
    "c": 0.06553,
    "h": 269.9
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#151E40

secondary

#786B39

accent

#BD4EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151E40

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

Preview Lab → · Contrast checker → · Palette generator →