#00193D
Closest named color: Navy Blue (#001146). oklch(22% 0.077 256.6), rgb(0, 25, 61).
Aa
White text reads best on this color (17.40:1).
About this color
#00193D is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.077 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.029 away. White text reads best on it, at 17.40:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.20:1 |
| White text | 17.40:1 |
Values
| HEX | #00193D |
| RGB | rgb(0, 25, 61) |
| HSL | hsl(215, 100%, 12%) |
| OKLCH | oklch(22% 0.077 256.6) |
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 #00193D | 17.40:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #00193D | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #00193D text on white | 17.40:1 | AAA | Lc 103.9 | Preferred for body text |
| #00193D text on black | 1.20:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFB
oklch(88.5% 0.051 256.7)
-
Step 300
300
#9BC3FB
oklch(80.9% 0.091 256.9)
-
Step 400
400
#61A2F9
oklch(70.7% 0.145 256.2)
-
Step 500
500
#3087F7
oklch(63.1% 0.186 256.7)
-
Step 600
600
#006EE1
oklch(55.5% 0.194 256.7)
-
Step 700
700
#005CBF
oklch(49% 0.172 256.8)
-
Step 800
800
#004B9E
oklch(42.6% 0.15 256.7)
-
Step 900
900
#0A4080
oklch(37.8% 0.121 256.3)
-
Step 950
950 (this color)
#00193D
oklch(22% 0.077 256.6)
#00193D 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) | #021D3E | 0.014 |
| Deuteranopia (no green cones) | #00173C | 0.007 |
| Tritanopia (no blue cones) | #002228 | 0.057 |
| Achromatopsia (no color) | #1A1A1A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00193D
#00193D
oklch(22% 0.077 256.6)
- #261700
#261700
oklch(21.9% 0.046 77.1)
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 #00193D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.029
- Rich Black #0D1B2A ΔE 0.042
- Night Blue #040348 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.060
- Dark #1B2431 ΔE 0.062
- Dark Navy #000435 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.069
- Rich Navy #001219 ΔE 0.074
Use #00193D 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.