#193F67
Closest named color: Marine Blue (#01386A). oklch(36.2% 0.082 252.1), rgb(25, 63, 103).
Aa
White text reads best on this color (10.77:1).
About this color
#193F67 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.082 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.030 away. White text reads best on it, at 10.77:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #193F67 |
| RGB | rgb(25, 63, 103) |
| HSL | hsl(211, 61%, 25%) |
| OKLCH | oklch(36.2% 0.082 252.1) |
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 #193F67 | 10.77:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #193F67 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #193F67 text on white | 10.77:1 | AAA | Lc 94.7 | Preferred for body text |
| #193F67 text on black | 1.94:1 | Fails | Lc -7.9 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A4C4E8
oklch(80.9% 0.062 251.6)
-
Step 400
400
#73A4DC
oklch(70.6% 0.098 252.5)
-
Step 500
500
#4C8DD3
oklch(63.2% 0.125 251.9)
-
Step 600
600
#2C75C0
oklch(55.5% 0.137 252.2)
-
Step 700
700
#1E62A6
oklch(49.1% 0.128 252.2)
-
Step 800
800
#1C5086
oklch(42.6% 0.105 252.4)
-
Step 900
900 (this color)
#193F67
oklch(36.2% 0.082 252.1)
-
Step 950
950
#12283F
oklch(27.1% 0.051 251.2)
#193F67 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) | #2D4169 | 0.024 |
| Deuteranopia (no green cones) | #213A66 | 0.016 |
| Tritanopia (no blue cones) | #00484E | 0.061 |
| Achromatopsia (no color) | #3D3D3D | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #193F67
#193F67
oklch(36.2% 0.082 252.1)
- #563600
#563600
oklch(36.2% 0.077 72.7)
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 #193F67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.030
- Twilight Blue #0A437A ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.045
- Charcoal #264653 ΔE 0.048
- Midnight Green #073B4C ΔE 0.051
- Marine #042E60 ΔE 0.058
Use #193F67 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.