#1A2F7B#1A2F7B

#1A2F7B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.132 H 267.1°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F7B
RGB	rgb(26, 47, 123)
HSL	hsl(227, 65%, 29%)
HSV	hsv(227, 79%, 48%)
CMYK	cmyk(78.9%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(22.59, 21.21, -45.58)
CIE-LCH	lch(22.59, 50.27, 294.95°)
OKLab	oklab(34.07% -0.0067 -0.1316)
OKLCH	oklch(34.07% 0.132 267.1)
XYZ	xyz(5.0164, 3.6821, 19.1814)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F7B #7B661A

analogous

#1A607B #1A2F7B #351A7B

triadic

#1A2F7B #7B1A2F #2F7B1A

tetradic

#1A2F7B #7B1A60 #7B661A #1A7B35

square

#1A2F7B #7B1A60 #7B661A #1A7B35

split-complementary

#1A2F7B #7B351A #607B1A

monochromatic

#050A19 #0F1C48 #1A2F7B #2542AE #3A5CD5

Accessibility & contrast

On white

12.09

#1A2F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A2F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F7B

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F7B	#FFFFFF	#000000	##FFFFFF
##1A2F7B	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00327A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a2f7b;
/* rgb */ color: rgb(26, 47, 123);
/* oklch */ color: oklch(34.1% 0.132 267.1);

Tailwind

colors: {
  custom: {
    50: '#6767a2',
    500: '#1a2f7b',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f7b;
$custom-light: #6767a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f7b",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 227.01,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34071,
    "c": 0.13182,
    "h": 267.1
  },
  "luminance": 0.03683
}

Semantic roles & 50–950 ramp

primary

#1A2F7B

secondary

#AF9842

accent

#C440E8

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A2F7B

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

Preview Lab → · Contrast checker → · Palette generator →