#192039
Closest named color: Oxford Blue (#1B263B). oklch(25% 0.049 270.7), rgb(25, 32, 57).
Aa
White text reads best on this color (16.06:1).
About this color
#192039 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.049 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.021 away. White text reads best on it, at 16.06:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.30:1 |
| White text | 16.06:1 |
Values
| HEX | #192039 |
| RGB | rgb(25, 32, 57) |
| HSL | hsl(227, 39%, 16%) |
| OKLCH | oklch(25% 0.049 270.7) |
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 #192039 | 16.06:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #192039 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #192039 text on white | 16.06:1 | AAA | Lc 103.0 | Preferred for body text |
| #192039 text on black | 1.30:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2BFE7
oklch(80.8% 0.058 270.9)
-
Step 400
400
#8B9EDB
oklch(70.8% 0.092 270.6)
-
Step 500
500
#6F84D1
oklch(63% 0.119 271.1)
-
Step 600
600
#586DBE
oklch(55.7% 0.128 270.8)
-
Step 700
700
#485BA4
oklch(49.2% 0.119 270.6)
-
Step 800
800
#3B4A85
oklch(42.7% 0.099 270.9)
-
Step 900
900
#323E6A
oklch(37.6% 0.077 270.8)
-
Step 950
950 (this color)
#192039
oklch(25% 0.049 270.7)
#192039 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) | #17233A | 0.010 |
| Deuteranopia (no green cones) | #132038 | 0.009 |
| Tritanopia (no blue cones) | #0C2529 | 0.044 |
| Achromatopsia (no color) | #212121 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192039
#192039
oklch(25% 0.049 270.7)
- #2B2002
#2B2002
oklch(25% 0.048 88.7)
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 #192039, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.021
- Dark #1B2431 ΔE 0.024
- Rich Black #0D1B2A ΔE 0.038
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.056
- Navy Blue #001146 ΔE 0.068
- Gunmetal #293241 ΔE 0.068
- Dark Indigo #1F0954 ΔE 0.077
Use #192039 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.