#1B4195#1B4195

#1B4195 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.145 H 263.1°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B4195
RGB	rgb(27, 65, 149)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 82%, 58%)
CMYK	cmyk(81.9%, 56.4%, 0%, 41.6%)
CIE-LAB	lab(29.87, 19.25, -49.91)
CIE-LCH	lch(29.87, 53.49, 291.09°)
OKLab	oklab(40.22% -0.0174 -0.144)
OKLCH	oklch(40.22% 0.145 263.1)
XYZ	xyz(7.7652, 6.1826, 29.2120)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4195 #956F1B

analogous

#1B7E95 #1B4195 #321B95

triadic

#1B4195 #951B41 #41951B

tetradic

#1B4195 #951B7E #956F1B #1B9532

square

#1B4195 #951B7E #956F1B #1B9532

split-complementary

#1B4195 #95321B #7E951B

monochromatic

#08142D #122A61 #1B4195 #2458C9 #4C7ADF

Accessibility & contrast

On white

9.39

#1B4195 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4195 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4195

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4195	#FFFFFF	#000000	##FFFFFF
##1B4195	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C98

Deuteranopia (green-blind)

#004193

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4195;
/* rgb */ color: rgb(27, 65, 149);
/* oklch */ color: oklch(40.2% 0.145 263.1);

Tailwind

colors: {
  custom: {
    50: '#6d75b5',
    500: '#1b4195',
    950: '#000000',
  },
}

SCSS

$custom: #1b4195;
$custom-light: #6d75b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4195",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 149
  },
  "hsl": {
    "h": 221.311,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40223,
    "c": 0.1451,
    "h": 263.1
  },
  "luminance": 0.06184
}

Semantic roles & 50–950 ramp

primary

#1B4195

secondary

#C19C4B

accent

#B53CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4195

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

Preview Lab → · Contrast checker → · Palette generator →