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Recognised as Colour

#1E2057

  • #1E2057
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E2057 is a blue with RGB values 30, 32, 87 and HSL 238°, 49%, 23%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E2057#1E2057
HEX#1E2057
RGBrgb(30, 32, 87)
RGB (0–1)0.1176, 0.1255, 0.3412
RGB percentages11.8%, 12.5%, 34.1%
HSLhsl(237.9, 48.7%, 22.9%)
HSV / HSBhsv(237.9, 65.5%, 34.1%)
CMYK65.5%, 63.2%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,974,359
CSS custom property--colour: #1E2057;

Brightness & contrast

Relative luminance0.01997WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.01:1
Contrast with white15.01:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E1DFA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002959no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#002456no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#002D38no blue cones; rare, and affects men and women equally; ΔE 36 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.01:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.2Midnight blue · ΔE 20.8Rebecca purple · ΔE 33.1Indigo · ΔE 39.1Black · ΔE 41.3Slate blue · ΔE 42.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57551E
Analogous#1E3D57, #381E57
Triadic#571E20, #20571E
Split complementary#57381E, #3D571E
Tetradic#571E3D, #57551E, #1E5738

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7276CF
Lighter +30%#4D51C1
Lighter +20%#383CA3
Lighter +10%#2B2E7D
Darker −10%#111231
Darker −20%#04040B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F1266
Less saturated −25%#2D2E48

Channel breakdown

R30
G32
B87
Red30 (11.8%)
Green32 (12.5%)
Blue87 (34.1%)
Hue237.89°
Saturation (HSL)48.72%
Lightness22.94%
Dominant channelBlue
Hex per channelR 1E · G 20 · B 57

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Every value on this page was computed from “1e2057” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.