#193353
Closest named color: Prussian Blue (#1D3557). oklch(31.8% 0.066 254.7), rgb(25, 51, 83).
Aa
White text reads best on this color (12.80:1).
About this color
#193353 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.066 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.011 away. White text reads best on it, at 12.80:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.80:1 |
Values
| HEX | #193353 |
| RGB | rgb(25, 51, 83) |
| HSL | hsl(213, 54%, 21%) |
| OKLCH | oklch(31.8% 0.066 254.7) |
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 #193353 | 12.80:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #193353 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #193353 text on white | 12.80:1 | AAA | Lc 98.8 | Preferred for body text |
| #193353 text on black | 1.63:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF6
oklch(88.4% 0.044 254.8)
-
Step 300
300
#9FC4F3
oklch(81% 0.078 254.6)
-
Step 400
400
#68A3ED
oklch(70.6% 0.125 254.8)
-
Step 500
500
#3C8AE7
oklch(63.1% 0.16 254.8)
-
Step 600
600
#1072D5
oklch(55.6% 0.173 254.5)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#074E96
oklch(42.8% 0.134 254.6)
-
Step 900
900
#134177
oklch(37.6% 0.104 255.1)
-
Step 950
950 (this color)
#193353
oklch(31.8% 0.066 254.7)
#193353 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) | #253554 | 0.017 |
| Deuteranopia (no green cones) | #1D3052 | 0.010 |
| Tritanopia (no blue cones) | #003A3F | 0.052 |
| Achromatopsia (no color) | #323232 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193353
#193353
oklch(31.8% 0.066 254.7)
- #462C01
#462C01
oklch(31.7% 0.066 73.7)
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 #193353, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.011
- Dark Blue Grey #1F3B4D ΔE 0.033
- Midnight Green #073B4C ΔE 0.034
- Marine #042E60 ΔE 0.035
- Gunmetal #293241 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.038
- Marine Blue #01386A ΔE 0.042
- Oxford Blue #1B263B ΔE 0.054
Use #193353 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.