#1B4E94#1B4E94

#1B4E94 is a dark, vivid cyan. Relative luminance 0.078; OKLCH L 43.1% C 0.127 H 257.5°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E94
RGB	rgb(27, 78, 148)
HSL	hsl(215, 69%, 34%)
HSV	hsv(215, 82%, 58%)
CMYK	cmyk(81.8%, 47.3%, 0%, 42%)
CIE-LAB	lab(33.60, 9.96, -43.26)
CIE-LCH	lch(33.60, 44.40, 282.97°)
OKLab	oklab(43.05% -0.0275 -0.1242)
OKLCH	oklch(43.05% 0.127 257.5)
XYZ	xyz(8.5197, 7.8189, 29.0714)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E94 #94611B

analogous

#1B8B94 #1B4E94 #251B94

triadic

#1B4E94 #941B4E #4E941B

tetradic

#1B4E94 #941B8B #94611B #1B9425

square

#1B4E94 #941B8B #94611B #1B9425

split-complementary

#1B4E94 #94251B #8B941B

monochromatic

#08172C #123360 #1B4E94 #2469C8 #4B89DE

Accessibility & contrast

On white

8.19

#1B4E94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1B4E94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E94

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E94	#FFFFFF	#000000	##FFFFFF
##1B4E94	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285597

Deuteranopia (green-blind)

#074A93

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b4e94;
/* rgb */ color: rgb(27, 78, 148);
/* oklch */ color: oklch(43.1% 0.127 257.5);

Tailwind

colors: {
  custom: {
    50: '#6c7fb4',
    500: '#1b4e94',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e94;
$custom-light: #6c7fb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e94",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 148
  },
  "hsl": {
    "h": 214.711,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43054,
    "c": 0.12724,
    "h": 257.5
  },
  "luminance": 0.0782
}

Semantic roles & 50–950 ramp

primary

#1B4E94

secondary

#C08F4B

accent

#A23CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B4E94

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

Preview Lab → · Contrast checker → · Palette generator →