#161D4F
Closest named color: Dark Indigo (#1F0954). oklch(25.9% 0.092 272.3), rgb(22, 29, 79).
Aa
White text reads best on this color (15.87:1).
About this color
#161D4F is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.092 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.044 away. White text reads best on it, at 15.87:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.32:1 |
| White text | 15.87:1 |
Values
| HEX | #161D4F |
| RGB | rgb(22, 29, 79) |
| HSL | hsl(233, 56%, 20%) |
| OKLCH | oklch(25.9% 0.092 272.3) |
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 #161D4F | 15.87:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #161D4F | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #161D4F text on white | 15.87:1 | AAA | Lc 102.6 | Preferred for body text |
| #161D4F text on black | 1.32:1 | 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
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600
#4B57FD
oklch(55.6% 0.242 272.3)
-
Step 700
700
#3D46DC
oklch(49.1% 0.223 272.1)
-
Step 800
800
#323BB2
oklch(42.7% 0.185 272.3)
-
Step 900
900
#2A358C
oklch(37.7% 0.144 272)
-
Step 950
950 (this color)
#161D4F
oklch(25.9% 0.092 272.3)
#161D4F 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) | #002551 | 0.029 |
| Deuteranopia (no green cones) | #00204E | 0.024 |
| Tritanopia (no blue cones) | #002932 | 0.076 |
| Achromatopsia (no color) | #222222 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #161D4F
#161D4F
oklch(25.9% 0.092 272.3)
- #2D2300
#2D2300
oklch(26% 0.053 92.9)
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 #161D4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.051
- Navy Blue #001146 ΔE 0.052
- Marine #042E60 ΔE 0.056
- Midnight Blue #191970 ΔE 0.060
- Darkblue #030764 ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.071
Use #161D4F 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.