#1A233D#1A233D

#1A233D is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.2% C 0.051 H 268.3°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A233D
RGB	rgb(26, 35, 61)
HSL	hsl(225, 40%, 17%)
HSV	hsv(225, 57%, 24%)
CMYK	cmyk(57.4%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(14.17, 4.94, -17.92)
CIE-LCH	lch(14.17, 18.59, 285.40°)
OKLab	oklab(26.18% -0.0015 -0.0506)
OKLCH	oklch(26.18% 0.051 268.3)
XYZ	xyz(1.8691, 1.7585, 4.6549)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A233D #3D341A

analogous

#1A353D #1A233D #231A3D

triadic

#1A233D #3D1A23 #233D1A

tetradic

#1A233D #3D1A35 #3D341A #1A3D23

square

#1A233D #3D1A35 #3D341A #1A3D23

split-complementary

#1A233D #3D231A #353D1A

monochromatic

#090C15 #090C15 #1A233D #2C3C68 #3F5493

Accessibility & contrast

On white

15.53

#1A233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1A233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A233D

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A233D	#FFFFFF	#000000	##FFFFFF
##1A233D	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19263E

Deuteranopia (green-blind)

#15233C

Tritanopia (blue-blind)

#0B292D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1a233d;
/* rgb */ color: rgb(26, 35, 61);
/* oklch */ color: oklch(26.2% 0.051 268.3);

Tailwind

colors: {
  custom: {
    50: '#595d72',
    500: '#1a233d',
    950: '#000000',
  },
}

SCSS

$custom: #1a233d;
$custom-light: #595d72;
$custom-dark: #000000;

JSON

{
  "hex": "#1a233d",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 224.571,
    "s": 40.23,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26176,
    "c": 0.05062,
    "h": 268.3
  },
  "luminance": 0.01759
}

Semantic roles & 50–950 ramp

primary

#1A233D

secondary

#736640

accent

#B158D0

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#040408

muted

#79797B

Preview Lab

Preview with #1A233D

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

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