#19335C
Closest named color: Prussian Blue (#1D3557). oklch(32.4% 0.08 259.2), rgb(25, 51, 92).
Aa
White text reads best on this color (12.57:1).
About this color
#19335C is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.080 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.013 away. White text reads best on it, at 12.57:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.66:1 |
| White text | 12.57:1 |
Values
| HEX | #19335C |
| RGB | rgb(25, 51, 92) |
| HSL | hsl(217, 57%, 23%) |
| OKLCH | oklch(32.4% 0.08 259.2) |
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 #19335C | 12.57:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #19335C | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #19335C text on white | 12.57:1 | AAA | Lc 98.3 | Preferred for body text |
| #19335C text on black | 1.66:1 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF0
oklch(88.5% 0.034 259.4)
-
Step 300
300
#AAC2E8
oklch(80.9% 0.06 259.5)
-
Step 400
400
#7CA2DC
oklch(70.7% 0.095 258.6)
-
Step 500
500
#5B89D3
oklch(63% 0.123 259.5)
-
Step 600
600
#4172C0
oklch(55.6% 0.133 259.3)
-
Step 700
700
#325FA6
oklch(49.1% 0.124 259.2)
-
Step 800
800
#2A4E86
oklch(42.7% 0.102 259)
-
Step 900
900 (this color)
#19335C
oklch(32.4% 0.08 259.2)
-
Step 950
950
#17263F
oklch(26.9% 0.051 260.2)
#19335C 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) | #20375E | 0.016 |
| Deuteranopia (no green cones) | #15305B | 0.011 |
| Tritanopia (no blue cones) | #003C43 | 0.063 |
| Achromatopsia (no color) | #333333 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19335C
#19335C
oklch(32.4% 0.08 259.2)
- #462F00
#462F00
oklch(32.4% 0.067 79.2)
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 #19335C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.013
- Marine #042E60 ΔE 0.026
- Marine Blue #01386A ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.043
- Midnight Green #073B4C ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.065
Use #19335C 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.