#156AB0
Closest named color: Mid Blue (#276AB3). oklch(51.4% 0.134 249.5), rgb(21, 106, 176).
Aa
White text reads best on this color (5.64:1).
About this color
#156AB0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.134 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.011 away. White text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.72:1 |
| White text | 5.64:1 |
Values
| HEX | #156AB0 |
| RGB | rgb(21, 106, 176) |
| HSL | hsl(207, 79%, 39%) |
| OKLCH | oklch(51.4% 0.134 249.5) |
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 #156AB0 | 5.64:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #156AB0 | 3.72:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #156AB0 text on white | 5.64:1 | AA | Lc 77.7 | Fine for body text |
| #156AB0 text on black | 3.72:1 | AA large text | Lc -24.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A1C5E9
oklch(81% 0.064 248.6)
-
Step 400
400
#6CA5DF
oklch(70.6% 0.104 249.9)
-
Step 500
500
#418ED6
oklch(63.2% 0.133 249.4)
-
Step 600
600
#1A76C3
oklch(55.5% 0.144 249.7)
-
Step 700
700 (this color)
#156AB0
oklch(51.4% 0.134 249.5)
-
Step 800
800
#0E5188
oklch(42.6% 0.111 249.4)
-
Step 900
900
#16446D
oklch(37.8% 0.086 249.1)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#156AB0 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) | #486EB3 | 0.043 |
| Deuteranopia (no green cones) | #2E61AF | 0.026 |
| Tritanopia (no blue cones) | #007B84 | 0.098 |
| Achromatopsia (no color) | #676767 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #156AB0
#156AB0
oklch(51.4% 0.134 249.5)
- #8F5900
#8F5900
oklch(51.2% 0.111 69.4)
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 #156AB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.011
- French Blue #436BAD ΔE 0.034
- Ocean Blue #03719C ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.043
- Peacock Blue #016795 ΔE 0.044
- Muted Blue #3B719F ΔE 0.045
- Nice Blue #107AB0 ΔE 0.046
- Windows Blue #3778BF ΔE 0.052
Use #156AB0 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.