#1A2B4F#1A2B4F

#1A2B4F is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.5% C 0.070 H 263.6°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B4F
RGB	rgb(26, 43, 79)
HSL	hsl(221, 50%, 21%)
HSV	hsv(221, 67%, 31%)
CMYK	cmyk(67.1%, 45.6%, 0%, 69%)
CIE-LAB	lab(17.97, 6.15, -24.27)
CIE-LCH	lch(17.97, 25.04, 284.21°)
OKLab	oklab(29.49% -0.0077 -0.0691)
OKLCH	oklch(29.49% 0.07 263.6)
XYZ	xyz(2.7007, 2.5116, 7.7381)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B4F #4F3E1A

analogous

#1A454F #1A2B4F #231A4F

triadic

#1A2B4F #4F1A2B #2B4F1A

tetradic

#1A2B4F #4F1A45 #4F3E1A #1A4F23

square

#1A2B4F #4F1A45 #4F3E1A #1A4F23

split-complementary

#1A2B4F #4F231A #454F1A

monochromatic

#080D17 #0B1221 #1A2B4F #29447D #385DAB

Accessibility & contrast

On white

13.98

#1A2B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A2B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B4F

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B4F	#FFFFFF	#000000	##FFFFFF
##1A2B4F	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2F50

Deuteranopia (green-blind)

#142A4E

Tritanopia (blue-blind)

#003339

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a2b4f;
/* rgb */ color: rgb(26, 43, 79);
/* oklch */ color: oklch(29.5% 0.070 263.6);

Tailwind

colors: {
  custom: {
    50: '#5c6380',
    500: '#1a2b4f',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b4f;
$custom-light: #5c6380;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b4f",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 79
  },
  "hsl": {
    "h": 220.755,
    "s": 50.476,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29489,
    "c": 0.06951,
    "h": 263.6
  },
  "luminance": 0.02512
}

Semantic roles & 50–950 ramp

primary

#1A2B4F

secondary

#856F40

accent

#AD4EDA

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #1A2B4F

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

Preview Lab → · Contrast checker → · Palette generator →