#145FB6
Closest named color: Mid Blue (#276AB3). oklch(49.3% 0.154 255.9), rgb(20, 95, 182).
Aa
White text reads best on this color (6.28:1).
About this color
#145FB6 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.154 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.035 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #145FB6 |
| RGB | rgb(20, 95, 182) |
| HSL | hsl(212, 80%, 40%) |
| OKLCH | oklch(49.3% 0.154 255.9) |
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 #145FB6 | 6.28:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #145FB6 | 3.34:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #145FB6 text on white | 6.28:1 | AA | Lc 80.7 | Fine for body text |
| #145FB6 text on black | 3.34:1 | AA large text | Lc -21.1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A1C3F1
oklch(80.8% 0.075 256.1)
-
Step 400
400
#6DA3EA
oklch(70.7% 0.119 255.7)
-
Step 500
500
#448AE4
oklch(63.2% 0.153 255.8)
-
Step 600
600
#2272D2
oklch(55.7% 0.166 255.8)
-
Step 700
700 (this color)
#145FB6
oklch(49.3% 0.154 255.9)
-
Step 800
800
#144E93
oklch(42.8% 0.128 255.7)
-
Step 900
900
#184175
oklch(37.6% 0.1 256)
-
Step 950
950
#102745
oklch(27.2% 0.063 256)
#145FB6 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) | #2C68B9 | 0.031 |
| Deuteranopia (no green cones) | #005AB4 | 0.017 |
| Tritanopia (no blue cones) | #007481 | 0.117 |
| Achromatopsia (no color) | #606060 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145FB6
#145FB6
oklch(49.3% 0.154 255.9)
- #825700
#825700
oklch(49.1% 0.103 75.7)
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 #145FB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.035
- French Blue #436BAD ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.061
- Peacock Blue #016795 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.067
- Dusk Blue #26538D ΔE 0.069
- Ocean Blue #03719C ΔE 0.072
- Light Navy Blue #2E5A88 ΔE 0.073
Use #145FB6 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.