#1B0D65
Closest named color: Midnight Blue (#191970). oklch(26% 0.14 277.5), rgb(27, 13, 101).
Aa
White text reads best on this color (16.25:1).
About this color
#1B0D65 is a dark, vivid blue. In OKLCH its lightness is 26%, its chroma 0.140 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.031 away. White text reads best on it, at 16.25:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #1B0D65 |
| RGB | rgb(27, 13, 101) |
| HSL | hsl(250, 77%, 22%) |
| OKLCH | oklch(26% 0.14 277.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B0D65 | 16.25:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #1B0D65 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #1B0D65 text on white | 16.25:1 | AAA | Lc 102.4 | Preferred for body text |
| #1B0D65 text on black | 1.29:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E8FF
oklch(93.5% 0.031 277.9)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600
#5B4FFF
oklch(55.5% 0.249 277.6)
-
Step 700
700
#4E16FF
oklch(49.1% 0.292 277.5)
-
Step 800
800
#4000D9
oklch(42.7% 0.263 277.5)
-
Step 900
900
#340FB2
oklch(37.7% 0.222 277.5)
-
Step 950
950 (this color)
#1B0D65
oklch(26% 0.14 277.5)
#1B0D65 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #002467 | 0.050 |
| Deuteranopia (no green cones) | #001C64 | 0.037 |
| Tritanopia (no blue cones) | #00293A | 0.110 |
| Achromatopsia (no color) | #202020 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0D65
#1B0D65
oklch(26% 0.14 277.5)
- #2B2400
#2B2400
oklch(26% 0.054 98.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #1B0D65
These curated palettes and gradients contain exactly #1B0D65. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.031
- Dark Indigo #1F0954 ΔE 0.034
- Darkblue #030764 ΔE 0.039
- Dark Royal Blue #02066F ΔE 0.042
- Deep Blue #040273 ΔE 0.045
- Navy #000080 ΔE 0.062
- Navy Blue #001146 ΔE 0.070
- Night Blue #040348 ΔE 0.076
Use #1B0D65 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.