#1B295F#1B295F

#1B295F is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.3% C 0.098 H 268.9°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B295F
RGB	rgb(27, 41, 95)
HSL	hsl(228, 56%, 24%)
HSV	hsv(228, 72%, 37%)
CMYK	cmyk(71.6%, 56.8%, 0%, 62.7%)
CIE-LAB	lab(18.56, 14.31, -34.01)
CIE-LCH	lch(18.56, 36.90, 292.81°)
OKLab	oklab(30.33% -0.0018 -0.0977)
OKLCH	oklch(30.33% 0.098 268.9)
XYZ	xyz(3.3098, 2.6448, 11.1603)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B295F #5F511B

analogous

#1B4B5F #1B295F #2F1B5F

triadic

#1B295F #5F1B29 #295F1B

tetradic

#1B295F #5F1B4B #5F511B #1B5F2F

square

#1B295F #5F1B4B #5F511B #1B5F2F

split-complementary

#1B295F #5F2F1B #4B5F1B

monochromatic

#070A18 #0D142F #1B295F #293E8F #3652BE

Accessibility & contrast

On white

13.73

#1B295F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1B295F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B295F

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B295F	#FFFFFF	#000000	##FFFFFF
##1B295F	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053061

Deuteranopia (green-blind)

#002A5E

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b295f;
/* rgb */ color: rgb(27, 41, 95);
/* oklch */ color: oklch(30.3% 0.098 268.9);

Tailwind

colors: {
  custom: {
    50: '#61628d',
    500: '#1b295f',
    950: '#000000',
  },
}

SCSS

$custom: #1b295f;
$custom-light: #61628d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b295f",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 95
  },
  "hsl": {
    "h": 227.647,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30327,
    "c": 0.09774,
    "h": 268.9
  },
  "luminance": 0.02645
}

Semantic roles & 50–950 ramp

primary

#1B295F

secondary

#958341

accent

#C049DF

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1B295F

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

Preview Lab → · Contrast checker → · Palette generator →