#1B2A60#1B2A60

#1B2A60 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.6% C 0.098 H 268.4°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A60
RGB	rgb(27, 42, 96)
HSL	hsl(227, 56%, 24%)
HSV	hsv(227, 72%, 38%)
CMYK	cmyk(71.9%, 56.3%, 0%, 62.4%)
CIE-LAB	lab(18.94, 13.98, -34.06)
CIE-LCH	lch(18.94, 36.81, 292.32°)
OKLab	oklab(30.64% -0.0027 -0.0978)
OKLCH	oklch(30.64% 0.098 268.4)
XYZ	xyz(3.3906, 2.7331, 11.4129)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A60 #60511B

analogous

#1B4D60 #1B2A60 #2F1B60

triadic

#1B2A60 #601B2A #2A601B

tetradic

#1B2A60 #601B4D #60511B #1B602F

square

#1B2A60 #601B4D #60511B #1B602F

split-complementary

#1B2A60 #602F1B #4D601B

monochromatic

#070A18 #0E1530 #1B2A60 #283F90 #3654C0

Accessibility & contrast

On white

13.58

#1B2A60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B2A60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A60

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A60	#FFFFFF	#000000	##FFFFFF
##1B2A60	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073162

Deuteranopia (green-blind)

#002B5F

Tritanopia (blue-blind)

#003740

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b2a60;
/* rgb */ color: rgb(27, 42, 96);
/* oklch */ color: oklch(30.6% 0.098 268.4);

Tailwind

colors: {
  custom: {
    50: '#61638e',
    500: '#1b2a60',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a60;
$custom-light: #61638e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a60",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 96
  },
  "hsl": {
    "h": 226.957,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3064,
    "c": 0.09787,
    "h": 268.4
  },
  "luminance": 0.02733
}

Semantic roles & 50–950 ramp

primary

#1B2A60

secondary

#968341

accent

#BF48DF

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1B2A60

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

Preview Lab → · Contrast checker → · Palette generator →