#274F8F#274F8F

#274F8F is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.115 H 259.4°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#274F8F
RGB	rgb(39, 79, 143)
HSL	hsl(217, 57%, 36%)
HSV	hsv(217, 73%, 56%)
CMYK	cmyk(72.7%, 44.8%, 0%, 43.9%)
CIE-LAB	lab(33.99, 8.88, -39.57)
CIE-LCH	lch(33.99, 40.55, 282.65°)
OKLab	oklab(43.37% -0.0211 -0.1132)
OKLCH	oklch(43.37% 0.115 259.4)
XYZ	xyz(8.5888, 8.0056, 27.0739)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F8F #8F6727

analogous

#27838F #274F8F #33278F

triadic

#274F8F #8F274F #4F8F27

tetradic

#274F8F #8F2783 #8F6727 #278F33

square

#274F8F #8F2783 #8F6727 #278F33

split-complementary

#274F8F #8F3327 #838F27

monochromatic

#0D1A2F #1A345F #274F8F #346ABF #5D8BD3

Accessibility & contrast

On white

8.07

#274F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#274F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F8F

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F8F	#FFFFFF	#000000	##FFFFFF
##274F8F	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305591

Deuteranopia (green-blind)

#1D4B8E

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274f8f;
/* rgb */ color: rgb(39, 79, 143);
/* oklch */ color: oklch(43.4% 0.115 259.4);

Tailwind

colors: {
  custom: {
    50: '#6f7fb0',
    500: '#274f8f',
    950: '#000000',
  },
}

SCSS

$custom: #274f8f;
$custom-light: #6f7fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#274f8f",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 143
  },
  "hsl": {
    "h": 216.923,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.43368,
    "c": 0.11512,
    "h": 259.4
  },
  "luminance": 0.08006
}

Semantic roles & 50–950 ramp

primary

#274F8F

secondary

#B8945A

accent

#A647E0

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #274F8F

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

Preview Lab → · Contrast checker → · Palette generator →