#10153E#10153E

#10153E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.0% C 0.078 H 273.0°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#10153E
RGB	rgb(16, 21, 62)
HSL	hsl(233, 59%, 15%)
HSV	hsv(233, 74%, 24%)
CMYK	cmyk(74.2%, 66.1%, 0%, 75.7%)
CIE-LAB	lab(8.94, 13.61, -27.04)
CIE-LCH	lch(8.94, 30.27, 296.71°)
OKLab	oklab(22.04% 0.004 -0.0778)
OKLCH	oklch(22.04% 0.078 273)
XYZ	xyz(1.3511, 0.9942, 4.6772)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10153E #3E3910

analogous

#102C3E #10153E #22103E

triadic

#10153E #3E1015 #153E10

tetradic

#10153E #3E102C #3E3910 #103E22

square

#10153E #3E102C #3E3910 #103E22

split-complementary

#10153E #3E2210 #2C3E10

monochromatic

#060818 #060818 #10153E #1D256F #29369F

Accessibility & contrast

On white

17.52

#10153E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#10153E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10153E

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10153E	#FFFFFF	#000000	##FFFFFF
##10153E	1.00	17.52	1.20	17.52
#FFFFFF	17.52	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3F

Deuteranopia (green-blind)

#00173D

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #10153e;
/* rgb */ color: rgb(16, 21, 62);
/* oklch */ color: oklch(22.0% 0.078 273.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#10153e",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 62
  },
  "hsl": {
    "h": 233.478,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22036,
    "c": 0.07791,
    "h": 273
  },
  "luminance": 0.00994
}

Semantic roles & 50–950 ramp

primary

#10153E

secondary

#787032

accent

#D146E2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #10153E

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

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