#1938B4#1938B4

#1938B4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.198 H 266.0°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1938B4
RGB	rgb(25, 56, 180)
HSL	hsl(228, 76%, 40%)
HSV	hsv(228, 86%, 71%)
CMYK	cmyk(86.1%, 68.9%, 0%, 29.4%)
CIE-LAB	lab(30.23, 37.18, -68.01)
CIE-LCH	lch(30.23, 77.51, 298.67°)
OKLab	oklab(41.32% -0.0138 -0.1972)
OKLCH	oklch(41.32% 0.198 266)
XYZ	xyz(10.0504, 6.3290, 43.8631)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1938B4 #B49519

analogous

#1985B4 #1938B4 #4719B4

triadic

#1938B4 #B41938 #38B419

tetradic

#1938B4 #B41985 #B49519 #19B447

square

#1938B4 #B41985 #B49519 #19B447

split-complementary

#1938B4 #B44719 #85B419

monochromatic

#0A1749 #12277E #1938B4 #294EE1 #5F7AE9

Accessibility & contrast

On white

9.27

#1938B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1938B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1938B4

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1938B4	#FFFFFF	#000000	##FFFFFF
##1938B4	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1938b4;
/* rgb */ color: rgb(25, 56, 180);
/* oklch */ color: oklch(41.3% 0.198 266.0);

Tailwind

colors: {
  custom: {
    50: '#766ecc',
    500: '#1938b4',
    950: '#000000',
  },
}

SCSS

$custom: #1938b4;
$custom-light: #766ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#1938b4",
  "rgb": {
    "r": 25,
    "g": 56,
    "b": 180
  },
  "hsl": {
    "h": 228,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41321,
    "c": 0.19764,
    "h": 266
  },
  "luminance": 0.0633
}

Semantic roles & 50–950 ramp

primary

#1938B4

secondary

#CDB65C

accent

#CC36F2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1938B4

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

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