#1A205B
Closest named color: Midnight Blue (#191970). oklch(27.9% 0.105 273.1), rgb(26, 32, 91).
Aa
White text reads best on this color (14.98:1).
About this color
#1A205B is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.105 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.040 away. White text reads best on it, at 14.98:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #1A205B |
| RGB | rgb(26, 32, 91) |
| HSL | hsl(234, 56%, 23%) |
| OKLCH | oklch(27.9% 0.105 273.1) |
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 #1A205B | 14.98:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #1A205B | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #1A205B text on white | 14.98:1 | AAA | Lc 101.5 | Preferred for body text |
| #1A205B text on black | 1.40:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#6579FF
oklch(63.1% 0.198 273)
-
Step 600
600
#4D55FF
oklch(55.5% 0.246 273)
-
Step 700
700
#3F39ED
oklch(49.1% 0.255 273.1)
-
Step 800
800
#3332C0
oklch(42.8% 0.212 273.1)
-
Step 900
900
#2A2F97
oklch(37.6% 0.166 273)
-
Step 950
950 (this color)
#1A205B
oklch(27.9% 0.105 273.1)
#1A205B 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) | #002A5D | 0.033 |
| Deuteranopia (no green cones) | #00245A | 0.027 |
| Tritanopia (no blue cones) | #002F3A | 0.086 |
| Achromatopsia (no color) | #272727 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A205B
#1A205B
oklch(27.9% 0.105 273.1)
- #322800
#322800
oklch(28% 0.057 94.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1A205B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.040
- Marine #042E60 ΔE 0.041
- Dark Indigo #1F0954 ΔE 0.051
- Darkblue #030764 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.065
- Dark Royal Blue #02066F ΔE 0.068
- Marine Blue #01386A ΔE 0.071
Use #1A205B 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.