#153473
Closest named color: Marine Blue (#01386A). oklch(34.2% 0.115 262.4), rgb(21, 52, 115).
Aa
White text reads best on this color (11.86:1).
About this color
#153473 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.115 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.023 away. White text reads best on it, at 11.86:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.86:1 |
Values
| HEX | #153473 |
| RGB | rgb(21, 52, 115) |
| HSL | hsl(220, 69%, 27%) |
| OKLCH | oklch(34.2% 0.115 262.4) |
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 #153473 | 11.86:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #153473 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #153473 text on white | 11.86:1 | AAA | Lc 96.8 | Preferred for body text |
| #153473 text on black | 1.77:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A3C1F9
oklch(80.9% 0.086 262.7)
-
Step 400
400
#719FF6
oklch(70.7% 0.138 262.3)
-
Step 500
500
#4C84F2
oklch(63.1% 0.175 262.3)
-
Step 600
600
#306AE1
oklch(55.5% 0.192 262.4)
-
Step 700
700
#2358C4
oklch(49.2% 0.178 262.3)
-
Step 800
800
#1E489E
oklch(42.6% 0.148 262.4)
-
Step 900
900 (this color)
#153473
oklch(34.2% 0.115 262.4)
-
Step 950
950
#12254A
oklch(27.1% 0.073 262.2)
#153473 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) | #073C75 | 0.023 |
| Deuteranopia (no green cones) | #003372 | 0.015 |
| Tritanopia (no blue cones) | #00434E | 0.089 |
| Achromatopsia (no color) | #373737 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153473
#153473
oklch(34.2% 0.115 262.4)
- #4A3400
#4A3400
oklch(34.1% 0.07 82.4)
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 #153473, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.023
- Marine #042E60 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.050
- Midnight Blue #191970 ΔE 0.066
- Cobalt #1E488F ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.075
- Midnight Green #073B4C ΔE 0.077
Use #153473 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.