#154D9F#154D9F

#154D9F is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.5% C 0.145 H 258.8°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#154D9F
RGB	rgb(21, 77, 159)
HSL	hsl(216, 77%, 35%)
HSV	hsv(216, 87%, 62%)
CMYK	cmyk(86.8%, 51.6%, 0%, 37.6%)
CIE-LAB	lab(33.92, 14.56, -49.42)
CIE-LCH	lch(33.92, 51.52, 286.42°)
OKLab	oklab(43.5% -0.0282 -0.1424)
OKLCH	oklch(43.5% 0.145 258.8)
XYZ	xyz(9.2188, 7.9692, 33.8465)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154D9F #9F6715

analogous

#15929F #154D9F #22159F

triadic

#154D9F #9F154D #4D9F15

tetradic

#154D9F #9F1592 #9F6715 #159F22

square

#154D9F #9F1592 #9F6715 #159F22

split-complementary

#154D9F #9F2215 #929F15

monochromatic

#071933 #0E3369 #154D9F #1C67D5 #4888E7

Accessibility & contrast

On white

8.10

#154D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#154D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154D9F

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154D9F	#FFFFFF	#000000	##FFFFFF
##154D9F	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1656A2

Deuteranopia (green-blind)

#004A9D

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #154d9f;
/* rgb */ color: rgb(21, 77, 159);
/* oklch */ color: oklch(43.5% 0.145 258.8);

Tailwind

colors: {
  custom: {
    50: '#6d7ebc',
    500: '#154d9f',
    950: '#000000',
  },
}

SCSS

$custom: #154d9f;
$custom-light: #6d7ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#154d9f",
  "rgb": {
    "r": 21,
    "g": 77,
    "b": 159
  },
  "hsl": {
    "h": 215.652,
    "s": 76.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43498,
    "c": 0.14518,
    "h": 258.8
  },
  "luminance": 0.0797
}

Semantic roles & 50–950 ramp

primary

#154D9F

secondary

#C89448

accent

#A635F3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #154D9F

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

Preview Lab → · Contrast checker → · Palette generator →