#1A205A
Closest named color: Marine (#042E60). oklch(27.8% 0.103 273.2), rgb(26, 32, 90).
Aa
White text reads best on this color (15.01:1).
About this color
#1A205A is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.103 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.041 away. White text reads best on it, at 15.01:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.39:1 |
| White text | 15.01:1 |
Values
| HEX | #1A205A |
| RGB | rgb(26, 32, 90) |
| HSL | hsl(234, 55%, 23%) |
| OKLCH | oklch(27.8% 0.103 273.2) |
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 #1A205A | 15.01:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #1A205A | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #1A205A text on white | 15.01:1 | AAA | Lc 101.6 | Preferred for body text |
| #1A205A text on black | 1.39:1 | 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
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#4E55FF
oklch(55.6% 0.246 273.3)
-
Step 700
700
#3F3AEB
oklch(49% 0.252 273.2)
-
Step 800
800
#3333BE
oklch(42.7% 0.209 273.1)
-
Step 900
900
#2B3096
oklch(37.8% 0.163 273.3)
-
Step 950
950 (this color)
#1A205A
oklch(27.8% 0.103 273.2)
#1A205A 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) | #002A5C | 0.033 |
| Deuteranopia (no green cones) | #002459 | 0.027 |
| Tritanopia (no blue cones) | #002E39 | 0.085 |
| Achromatopsia (no color) | #272727 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A205A
#1A205A
oklch(27.8% 0.103 273.2)
- #322700
#322700
oklch(27.7% 0.057 92.6)
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 #1A205A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.041
- Midnight Blue #191970 ΔE 0.042
- Dark Indigo #1F0954 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.063
- Darkblue #030764 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.065
- Dark Royal Blue #02066F ΔE 0.069
- Navy Blue #001146 ΔE 0.071
Use #1A205A 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.