#172044
Closest named color: Oxford Blue (#1B263B). oklch(25.7% 0.069 270.4), rgb(23, 32, 68).
Aa
White text reads best on this color (15.83:1).
About this color
#172044 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.069 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 15.83:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.83:1 |
Values
| HEX | #172044 |
| RGB | rgb(23, 32, 68) |
| HSL | hsl(228, 49%, 18%) |
| OKLCH | oklch(25.7% 0.069 270.4) |
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 #172044 | 15.83:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #172044 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #172044 text on white | 15.83:1 | AAA | Lc 102.7 | Preferred for body text |
| #172044 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400
#829BF1
oklch(70.6% 0.129 270.5)
-
Step 500
500
#6480ED
oklch(63.2% 0.166 270.2)
-
Step 600
600
#4D66DB
oklch(55.6% 0.18 270.4)
-
Step 700
700
#3F54BE
oklch(49.1% 0.168 270.6)
-
Step 800
800
#33459A
oklch(42.6% 0.14 270.4)
-
Step 900
900
#2C3B7A
oklch(37.6% 0.108 270.4)
-
Step 950
950 (this color)
#172044
oklch(25.7% 0.069 270.4)
#172044 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) | #0F2545 | 0.017 |
| Deuteranopia (no green cones) | #082143 | 0.018 |
| Tritanopia (no blue cones) | #00282E | 0.061 |
| Achromatopsia (no color) | #222222 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172044
#172044
oklch(25.7% 0.069 270.4)
- #2D2200
#2D2200
oklch(25.8% 0.053 90.8)
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 #172044, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Dark #1B2431 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Navy Blue #001146 ΔE 0.059
- Jet #212529 ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.061
- Marine #042E60 ΔE 0.062
Use #172044 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.