#146F9B
Closest named color: Ocean Blue (#03719C). oklch(51.4% 0.105 236.5), rgb(20, 111, 155).
Aa
White text reads best on this color (5.56:1).
About this color
#146F9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.105 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.006 away. White text reads best on it, at 5.56:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #146F9B |
| RGB | rgb(20, 111, 155) |
| HSL | hsl(200, 77%, 34%) |
| OKLCH | oklch(51.4% 0.105 236.5) |
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 #146F9B | 5.56:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #146F9B | 3.77:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #146F9B text on white | 5.56:1 | AA | Lc 77.3 | Fine for body text |
| #146F9B text on black | 3.77:1 | AA large text | Lc -24.4 | 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 700.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6EA9CD
oklch(70.8% 0.081 236.3)
-
Step 500
500
#4292C0
oklch(63% 0.104 236.9)
-
Step 600
600
#197CAC
oklch(55.6% 0.112 236.3)
-
Step 700
700 (this color)
#146F9B
oklch(51.4% 0.105 236.5)
-
Step 800
800
#0E5578
oklch(42.6% 0.087 236.8)
-
Step 900
900
#164761
oklch(37.8% 0.068 236)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#146F9B 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) | #5A6F9D | 0.061 |
| Deuteranopia (no green cones) | #48639A | 0.049 |
| Tritanopia (no blue cones) | #007A7E | 0.066 |
| Achromatopsia (no color) | #686868 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #146F9B
#146F9B
oklch(51.4% 0.105 236.5)
- #945522
#945522
oklch(51.4% 0.105 56)
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 #146F9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.006
- Sea Blue #047495 ΔE 0.020
- Peacock Blue #016795 ΔE 0.026
- Muted Blue #3B719F ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.037
- Denim #3B638C ΔE 0.041
- Nice Blue #107AB0 ΔE 0.041
- Ocean #017B92 ΔE 0.043
Use #146F9B 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.