#274D8F#274D8F

#274D8F is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.118 H 260.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#274D8F
RGB	rgb(39, 77, 143)
HSL	hsl(218, 57%, 36%)
HSV	hsv(218, 73%, 56%)
CMYK	cmyk(72.7%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(33.40, 10.21, -40.53)
CIE-LCH	lch(33.40, 41.79, 284.15°)
OKLab	oklab(42.91% -0.0192 -0.116)
OKLCH	oklch(42.91% 0.118 260.6)
XYZ	xyz(8.4467, 7.7214, 27.0265)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D8F #8F6927

analogous

#27818F #274D8F #35278F

triadic

#274D8F #8F274D #4D8F27

tetradic

#274D8F #8F2781 #8F6927 #278F35

square

#274D8F #8F2781 #8F6927 #278F35

split-complementary

#274D8F #8F3527 #818F27

monochromatic

#0D192F #1A335F #274D8F #3467BF #5D88D3

Accessibility & contrast

On white

8.25

#274D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#274D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D8F

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D8F	#FFFFFF	#000000	##FFFFFF
##274D8F	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5492

Deuteranopia (green-blind)

#174A8E

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274d8f;
/* rgb */ color: rgb(39, 77, 143);
/* oklch */ color: oklch(42.9% 0.118 260.6);

Tailwind

colors: {
  custom: {
    50: '#6f7eb0',
    500: '#274d8f',
    950: '#000000',
  },
}

SCSS

$custom: #274d8f;
$custom-light: #6f7eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#274d8f",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 218.077,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42907,
    "c": 0.1176,
    "h": 260.6
  },
  "luminance": 0.07722
}

Semantic roles & 50–950 ramp

primary

#274D8F

secondary

#B8965A

accent

#A847E0

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274D8F

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

Preview Lab → · Contrast checker → · Palette generator →