#1B295D#1B295D

#1B295D is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.2% C 0.095 H 268.8°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B295D
RGB	rgb(27, 41, 93)
HSL	hsl(227, 55%, 24%)
HSV	hsv(227, 71%, 36%)
CMYK	cmyk(71%, 55.9%, 0%, 63.5%)
CIE-LAB	lab(18.40, 13.49, -32.94)
CIE-LCH	lch(18.40, 35.60, 292.27°)
OKLab	oklab(30.16% -0.002 -0.0946)
OKLCH	oklch(30.16% 0.095 268.8)
XYZ	xyz(3.2200, 2.6089, 10.6877)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B295D #5D4F1B

analogous

#1B4A5D #1B295D #2E1B5D

triadic

#1B295D #5D1B29 #295D1B

tetradic

#1B295D #5D1B4A #5D4F1B #1B5D2E

square

#1B295D #5D1B4A #5D4F1B #1B5D2E

split-complementary

#1B295D #5D2E1B #4A5D1B

monochromatic

#070A18 #0D142E #1B295D #293E8C #3753BC

Accessibility & contrast

On white

13.80

#1B295D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B295D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B295D

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B295D	#FFFFFF	#000000	##FFFFFF
##1B295D	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09305F

Deuteranopia (green-blind)

#002A5C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b295d;
/* rgb */ color: rgb(27, 41, 93);
/* oklch */ color: oklch(30.2% 0.095 268.8);

Tailwind

colors: {
  custom: {
    50: '#60628b',
    500: '#1b295d',
    950: '#000000',
  },
}

SCSS

$custom: #1b295d;
$custom-light: #60628b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b295d",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 93
  },
  "hsl": {
    "h": 227.273,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.30159,
    "c": 0.09459,
    "h": 268.8
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#1B295D

secondary

#938141

accent

#BF49DE

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1B295D

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

Preview Lab → · Contrast checker → · Palette generator →