#1C223E#1C223E

#1C223E is a dark, muted blue. Relative luminance 0.017; OKLCH L 26.2% C 0.053 H 273.1°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C223E
RGB	rgb(28, 34, 62)
HSL	hsl(229, 38%, 18%)
HSV	hsv(229, 55%, 24%)
CMYK	cmyk(54.8%, 45.2%, 0%, 75.7%)
CIE-LAB	lab(14.05, 6.65, -18.80)
CIE-LCH	lch(14.05, 19.94, 289.47°)
OKLab	oklab(26.15% 0.0028 -0.0531)
OKLCH	oklch(26.15% 0.053 273.1)
XYZ	xyz(1.9201, 1.7386, 4.7909)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C223E #3E381C

analogous

#1C333E #1C223E #271C3E

triadic

#1C223E #3E1C22 #223E1C

tetradic

#1C223E #3E1C33 #3E381C #1C3E27

square

#1C223E #3E1C33 #3E381C #1C3E27

split-complementary

#1C223E #3E271C #333E1C

monochromatic

#0A0C15 #0A0C15 #1C223E #2F3968 #425092

Accessibility & contrast

On white

15.58

#1C223E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1C223E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C223E

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C223E	#FFFFFF	#000000	##FFFFFF
##1C223E	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253F

Deuteranopia (green-blind)

#14223D

Tritanopia (blue-blind)

#0F282D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c223e;
/* rgb */ color: rgb(28, 34, 62);
/* oklch */ color: oklch(26.2% 0.053 273.1);

Tailwind

colors: {
  custom: {
    50: '#5b5c73',
    500: '#1c223e',
    950: '#000000',
  },
}

SCSS

$custom: #1c223e;
$custom-light: #5b5c73;
$custom-dark: #000000;

JSON

{
  "hex": "#1c223e",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 62
  },
  "hsl": {
    "h": 229.412,
    "s": 37.778,
    "l": 17.647
  },
  "oklch": {
    "l": 0.2615,
    "c": 0.05318,
    "h": 273.1
  },
  "luminance": 0.01739
}

Semantic roles & 50–950 ramp

primary

#1C223E

secondary

#736A43

accent

#B95ACE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040408

muted

#79797B

Preview Lab

Preview with #1C223E

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

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