#274B8F#274B8F

#274B8F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.4% C 0.120 H 261.7°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#274B8F
RGB	rgb(39, 75, 143)
HSL	hsl(219, 57%, 36%)
HSV	hsv(219, 73%, 56%)
CMYK	cmyk(72.7%, 47.6%, 0%, 43.9%)
CIE-LAB	lab(32.80, 11.56, -41.48)
CIE-LCH	lch(32.80, 43.06, 285.57°)
OKLab	oklab(42.45% -0.0173 -0.1189)
OKLCH	oklch(42.45% 0.12 261.7)
XYZ	xyz(8.3089, 7.4458, 26.9806)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B8F #8F6B27

analogous

#277F8F #274B8F #37278F

triadic

#274B8F #8F274B #4B8F27

tetradic

#274B8F #8F277F #8F6B27 #278F37

square

#274B8F #8F277F #8F6B27 #278F37

split-complementary

#274B8F #8F3727 #7F8F27

monochromatic

#0D192F #1A325F #274B8F #3464BF #5D86D3

Accessibility & contrast

On white

8.44

#274B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#274B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B8F

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B8F	#FFFFFF	#000000	##FFFFFF
##274B8F	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285292

Deuteranopia (green-blind)

#10498E

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274b8f;
/* rgb */ color: rgb(39, 75, 143);
/* oklch */ color: oklch(42.4% 0.120 261.7);

Tailwind

colors: {
  custom: {
    50: '#6f7cb0',
    500: '#274b8f',
    950: '#000000',
  },
}

SCSS

$custom: #274b8f;
$custom-light: #6f7cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#274b8f",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 143
  },
  "hsl": {
    "h": 219.231,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42449,
    "c": 0.12011,
    "h": 261.7
  },
  "luminance": 0.07447
}

Semantic roles & 50–950 ramp

primary

#274B8F

secondary

#B8975A

accent

#AB47E0

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274B8F

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

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