#10234E#10234E

#10234E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 26.8% C 0.083 H 263.8°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#10234E
RGB	rgb(16, 35, 78)
HSL	hsl(222, 66%, 18%)
HSV	hsv(222, 79%, 31%)
CMYK	cmyk(79.5%, 55.1%, 0%, 69.4%)
CIE-LAB	lab(14.75, 9.74, -28.79)
CIE-LCH	lch(14.75, 30.40, 288.69°)
OKLab	oklab(26.84% -0.009 -0.0827)
OKLCH	oklch(26.84% 0.083 263.8)
XYZ	xyz(2.1894, 1.8620, 7.4503)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10234E #4E3B10

analogous

#10424E #10234E #1C104E

triadic

#10234E #4E1023 #234E10

tetradic

#10234E #4E1042 #4E3B10 #104E1C

square

#10234E #4E1042 #4E3B10 #104E1C

split-complementary

#10234E #4E1C10 #424E10

monochromatic

#050B19 #060C1B #10234E #1A3A81 #2551B4

Accessibility & contrast

On white

15.30

#10234E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#10234E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10234E

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10234E	#FFFFFF	#000000	##FFFFFF
##10234E	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092850

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #10234e;
/* rgb */ color: rgb(16, 35, 78);
/* oklch */ color: oklch(26.8% 0.083 263.8);

Tailwind

colors: {
  custom: {
    50: '#585d80',
    500: '#10234e',
    950: '#000000',
  },
}

SCSS

$custom: #10234e;
$custom-light: #585d80;
$custom-dark: #000000;

JSON

{
  "hex": "#10234e",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 78
  },
  "hsl": {
    "h": 221.613,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.26843,
    "c": 0.08321,
    "h": 263.8
  },
  "luminance": 0.01862
}

Semantic roles & 50–950 ramp

primary

#10234E

secondary

#886E32

accent

#B53FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10234E

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

Preview Lab → · Contrast checker → · Palette generator →