#10153F#10153F

#10153F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.080 H 272.9°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#10153F
RGB	rgb(16, 21, 63)
HSL	hsl(234, 59%, 15%)
HSV	hsv(234, 75%, 25%)
CMYK	cmyk(74.6%, 66.7%, 0%, 75.3%)
CIE-LAB	lab(9.03, 14.04, -27.60)
CIE-LCH	lch(9.03, 30.96, 296.95°)
OKLab	oklab(22.13% 0.004 -0.0795)
OKLCH	oklch(22.13% 0.08 272.9)
XYZ	xyz(1.3788, 1.0052, 4.8230)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10153F #3F3A10

analogous

#102C3F #10153F #22103F

triadic

#10153F #3F1015 #153F10

tetradic

#10153F #3F102C #3F3A10 #103F22

square

#10153F #3F102C #3F3A10 #103F22

split-complementary

#10153F #3F2210 #2C3F10

monochromatic

#060818 #060818 #10153F #1C2570 #2936A1

Accessibility & contrast

On white

17.49

#10153F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#10153F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10153F

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10153F	#FFFFFF	#000000	##FFFFFF
##10153F	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #10153f;
/* rgb */ color: rgb(16, 21, 63);
/* oklch */ color: oklch(22.1% 0.080 272.9);

Tailwind

colors: {
  custom: {
    50: '#555274',
    500: '#10153f',
    950: '#000000',
  },
}

SCSS

$custom: #10153f;
$custom-light: #555274;
$custom-dark: #000000;

JSON

{
  "hex": "#10153f",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 63
  },
  "hsl": {
    "h": 233.617,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22134,
    "c": 0.07956,
    "h": 272.9
  },
  "luminance": 0.01005
}

Semantic roles & 50–950 ramp

primary

#10153F

secondary

#797132

accent

#D245E3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #10153F

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

Preview Lab → · Contrast checker → · Palette generator →