#1B2E76#1B2E76

#1B2E76 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.126 H 267.7°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E76
RGB	rgb(27, 46, 118)
HSL	hsl(227, 63%, 28%)
HSV	hsv(227, 77%, 46%)
CMYK	cmyk(77.1%, 61%, 0%, 53.7%)
CIE-LAB	lab(21.92, 20.03, -43.48)
CIE-LCH	lch(21.92, 47.87, 294.73°)
OKLab	oklab(33.45% -0.0051 -0.1255)
OKLCH	oklch(33.45% 0.126 267.7)
XYZ	xyz(4.6979, 3.4945, 17.5629)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E76 #76631B

analogous

#1B5B76 #1B2E76 #351B76

triadic

#1B2E76 #761B2E #2E761B

tetradic

#1B2E76 #761B5B #76631B #1B7635

square

#1B2E76 #761B5B #76631B #1B7635

split-complementary

#1B2E76 #76351B #5B761B

monochromatic

#060A19 #101B44 #1B2E76 #2641A8 #3A59D2

Accessibility & contrast

On white

12.36

#1B2E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1B2E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E76

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E76	#FFFFFF	#000000	##FFFFFF
##1B2E76	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003978

Deuteranopia (green-blind)

#003075

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1b2e76;
/* rgb */ color: rgb(27, 46, 118);
/* oklch */ color: oklch(33.5% 0.126 267.7);

Tailwind

colors: {
  custom: {
    50: '#66669e',
    500: '#1b2e76',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e76;
$custom-light: #66669e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e76",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 118
  },
  "hsl": {
    "h": 227.473,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33452,
    "c": 0.12559,
    "h": 267.7
  },
  "luminance": 0.03495
}

Semantic roles & 50–950 ramp

primary

#1B2E76

secondary

#AA9542

accent

#C442E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1B2E76

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

Preview Lab → · Contrast checker → · Palette generator →