#1B2A67#1B2A67

#1B2A67 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.109 H 268.8°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A67
RGB	rgb(27, 42, 103)
HSL	hsl(228, 58%, 25%)
HSV	hsv(228, 74%, 40%)
CMYK	cmyk(73.8%, 59.2%, 0%, 59.6%)
CIE-LAB	lab(19.51, 16.83, -37.73)
CIE-LCH	lch(19.51, 41.31, 294.03°)
OKLab	oklab(31.24% -0.0022 -0.1086)
OKLCH	oklch(31.24% 0.109 268.8)
XYZ	xyz(3.7273, 2.8678, 13.1865)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A67 #67581B

analogous

#1B5067 #1B2A67 #321B67

triadic

#1B2A67 #671B2A #2A671B

tetradic

#1B2A67 #671B50 #67581B #1B6732

square

#1B2A67 #671B50 #67581B #1B6732

split-complementary

#1B2A67 #67321B #50671B

monochromatic

#060A18 #0E1637 #1B2A67 #283E97 #3452C8

Accessibility & contrast

On white

13.35

#1B2A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1B2A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A67

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A67	#FFFFFF	#000000	##FFFFFF
##1B2A67	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003369

Deuteranopia (green-blind)

#002C66

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b2a67;
/* rgb */ color: rgb(27, 42, 103);
/* oklch */ color: oklch(31.2% 0.109 268.8);

Tailwind

colors: {
  custom: {
    50: '#636393',
    500: '#1b2a67',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a67;
$custom-light: #636393;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a67",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 103
  },
  "hsl": {
    "h": 228.158,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31244,
    "c": 0.10867,
    "h": 268.8
  },
  "luminance": 0.02868
}

Semantic roles & 50–950 ramp

primary

#1B2A67

secondary

#9C8A42

accent

#C346E2

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1B2A67

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

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