#1A2B8F#1A2B8F

#1A2B8F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.164 H 268.3°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B8F
RGB	rgb(26, 43, 143)
HSL	hsl(231, 69%, 33%)
HSV	hsv(231, 82%, 56%)
CMYK	cmyk(81.8%, 69.9%, 0%, 43.9%)
CIE-LAB	lab(23.44, 31.78, -56.73)
CIE-LCH	lch(23.44, 65.03, 299.26°)
OKLab	oklab(35.27% -0.005 -0.1643)
OKLCH	oklch(35.27% 0.164 268.3)
XYZ	xyz(6.2461, 3.9298, 26.4106)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B8F #8F7E1A

analogous

#1A658F #1A2B8F #431A8F

triadic

#1A2B8F #8F1A2B #2B8F1A

tetradic

#1A2B8F #8F1A65 #8F7E1A #1A8F43

square

#1A2B8F #8F1A65 #8F7E1A #1A8F43

split-complementary

#1A2B8F #8F431A #658F1A

monochromatic

#070C27 #111B5B #1A2B8F #233BC3 #465CDD

Accessibility & contrast

On white

11.76

#1A2B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1A2B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B8F

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B8F	#FFFFFF	#000000	##FFFFFF
##1A2B8F	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a2b8f;
/* rgb */ color: rgb(26, 43, 143);
/* oklch */ color: oklch(35.3% 0.164 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d64b1',
    500: '#1a2b8f',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b8f;
$custom-light: #6d64b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b8f",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 143
  },
  "hsl": {
    "h": 231.282,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35274,
    "c": 0.16441,
    "h": 268.3
  },
  "luminance": 0.03931
}

Semantic roles & 50–950 ramp

primary

#1A2B8F

secondary

#BFAD46

accent

#D23CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1A2B8F

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

Preview Lab → · Contrast checker → · Palette generator →