#145378
Closest named color: Deep Sea Blue (#015482). oklch(42.2% 0.087 240.1), rgb(20, 83, 120).
Aa
White text reads best on this color (8.27:1).
About this color
#145378 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.017 away. White text reads best on it, at 8.27:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #145378 |
| RGB | rgb(20, 83, 120) |
| HSL | hsl(202, 71%, 27%) |
| OKLCH | oklch(42.2% 0.087 240.1) |
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 #145378 | 8.27:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #145378 | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #145378 text on white | 8.27:1 | AAA | Lc 88.2 | Fine for body text |
| #145378 text on black | 2.53:1 | Fails | Lc -13.9 | 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 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DF
oklch(81% 0.051 240.1)
-
Step 400
400
#71A8CE
oklch(70.8% 0.08 239.5)
-
Step 500
500
#4891C2
oklch(63.1% 0.104 240.5)
-
Step 600
600
#247BAE
oklch(55.7% 0.112 239.8)
-
Step 700
700
#156796
oklch(49.1% 0.105 240.5)
-
Step 800
800 (this color)
#145378
oklch(42.2% 0.087 240.1)
-
Step 900
900
#1A4662
oklch(37.8% 0.068 240)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#145378 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) | #41537A | 0.044 |
| Deuteranopia (no green cones) | #344A77 | 0.036 |
| Tritanopia (no blue cones) | #005C60 | 0.057 |
| Achromatopsia (no color) | #4E4E4E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145378
#145378
oklch(42.2% 0.087 240.1)
- #704114
#704114
oklch(42.4% 0.087 59.9)
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 #145378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.017
- Light Navy #155084 ΔE 0.024
- Dusk Blue #26538D ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.040
- Petrol #005F6A ΔE 0.050
- YInMn Blue #415A77 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.052
- Cobalt #1E488F ΔE 0.055
Use #145378 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.