#145978
Closest named color: Deep Sea Blue (#015482). oklch(43.8% 0.082 233.3), rgb(20, 89, 120).
Aa
White text reads best on this color (7.69:1).
About this color
#145978 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.082 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.027 away. White text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #145978 |
| RGB | rgb(20, 89, 120) |
| HSL | hsl(199, 71%, 27%) |
| OKLCH | oklch(43.8% 0.082 233.3) |
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 #145978 | 7.69:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #145978 | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #145978 text on white | 7.69:1 | AAA | Lc 86.4 | Fine for body text |
| #145978 text on black | 2.72:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DB
oklch(81% 0.048 232.5)
-
Step 400
400
#6EA9C9
oklch(70.6% 0.077 233.1)
-
Step 500
500
#4393BB
oklch(63% 0.098 233.1)
-
Step 600
600
#1B7DA8
oklch(55.6% 0.107 233.4)
-
Step 700
700
#086990
oklch(49.1% 0.1 233.6)
-
Step 800
800 (this color)
#145978
oklch(43.8% 0.082 233.3)
-
Step 900
900
#17475E
oklch(37.7% 0.064 233.1)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#145978 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) | #4A5879 | 0.053 |
| Deuteranopia (no green cones) | #3C4F78 | 0.043 |
| Tritanopia (no blue cones) | #006164 | 0.049 |
| Achromatopsia (no color) | #535353 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145978
#145978
oklch(43.8% 0.082 233.3)
- #754422
#754422
oklch(43.8% 0.083 53.4)
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 #145978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.035
- Petrol #005F6A ΔE 0.035
- Light Navy #155084 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.041
- Dusk Blue #26538D ΔE 0.045
- Deep Teal #00555A ΔE 0.052
- Denim #3B638C ΔE 0.056
Use #145978 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.