#1A2B8E#1A2B8E

#1A2B8E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.163 H 268.3°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B8E
RGB	rgb(26, 43, 142)
HSL	hsl(231, 69%, 33%)
HSV	hsv(231, 82%, 56%)
CMYK	cmyk(81.7%, 69.7%, 0%, 44.3%)
CIE-LAB	lab(23.34, 31.40, -56.28)
CIE-LCH	lch(23.34, 64.45, 299.16°)
OKLab	oklab(35.17% -0.0049 -0.163)
OKLCH	oklch(35.17% 0.163 268.3)
XYZ	xyz(6.1707, 3.8996, 26.0134)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B8E #8E7D1A

analogous

#1A658E #1A2B8E #431A8E

triadic

#1A2B8E #8E1A2B #2B8E1A

tetradic

#1A2B8E #8E1A65 #8E7D1A #1A8E43

square

#1A2B8E #8E1A65 #8E7D1A #1A8E43

split-complementary

#1A2B8E #8E431A #658E1A

monochromatic

#070C27 #111B5A #1A2B8E #233BC2 #455CDD

Accessibility & contrast

On white

11.80

#1A2B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A2B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B8E

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B8E	#FFFFFF	#000000	##FFFFFF
##1A2B8E	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a2b8e;
/* rgb */ color: rgb(26, 43, 142);
/* oklch */ color: oklch(35.2% 0.163 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d64b0',
    500: '#1a2b8e',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b8e;
$custom-light: #6d64b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b8e",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 142
  },
  "hsl": {
    "h": 231.207,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3517,
    "c": 0.16307,
    "h": 268.3
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#1A2B8E

secondary

#BEAD45

accent

#D23CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1A2B8E

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

Preview Lab → · Contrast checker → · Palette generator →