#1B294D#1B294D

#1B294D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 28.9% C 0.069 H 266.2°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B294D
RGB	rgb(27, 41, 77)
HSL	hsl(223, 48%, 20%)
HSV	hsv(223, 65%, 30%)
CMYK	cmyk(64.9%, 46.8%, 0%, 69.8%)
CIE-LAB	lab(17.25, 7.04, -24.07)
CIE-LCH	lch(17.25, 25.07, 286.30°)
OKLab	oklab(28.9% -0.0045 -0.0685)
OKLCH	oklch(28.9% 0.069 266.2)
XYZ	xyz(2.5840, 2.3545, 7.3380)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B294D #4D3F1B

analogous

#1B424D #1B294D #261B4D

triadic

#1B294D #4D1B29 #294D1B

tetradic

#1B294D #4D1B42 #4D3F1B #1B4D26

square

#1B294D #4D1B42 #4D3F1B #1B4D26

split-complementary

#1B294D #4D261B #424D1B

monochromatic

#080C17 #0B1120 #1B294D #2B417A #3B59A8

Accessibility & contrast

On white

14.28

#1B294D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B294D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B294D

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B294D	#FFFFFF	#000000	##FFFFFF
##1B294D	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192D4E

Deuteranopia (green-blind)

#12284C

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b294d;
/* rgb */ color: rgb(27, 41, 77);
/* oklch */ color: oklch(28.9% 0.069 266.2);

Tailwind

colors: {
  custom: {
    50: '#5d627f',
    500: '#1b294d',
    950: '#000000',
  },
}

SCSS

$custom: #1b294d;
$custom-light: #5d627f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b294d",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 77
  },
  "hsl": {
    "h": 223.2,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28905,
    "c": 0.06863,
    "h": 266.2
  },
  "luminance": 0.02355
}

Semantic roles & 50–950 ramp

primary

#1B294D

secondary

#837041

accent

#B250D8

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #1B294D

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

Preview Lab → · Contrast checker → · Palette generator →