#016FAB
Closest named color: Mid Blue (#276AB3). oklch(52.1% 0.126 243.1), rgb(1, 111, 171).
Aa
White text reads best on this color (5.43:1).
About this color
#016FAB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.126 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.024 away. White text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #016FAB |
| RGB | rgb(1, 111, 171) |
| HSL | hsl(201, 99%, 34%) |
| OKLCH | oklch(52.1% 0.126 243.1) |
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 #016FAB | 5.43:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #016FAB | 3.86:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #016FAB text on white | 5.43:1 | AA | Lc 76.5 | Fine for body text |
| #016FAB text on black | 3.86:1 | AA large text | Lc -25.3 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#9FC6E5
oklch(80.9% 0.061 242.5)
-
Step 400
400
#68A8D9
oklch(70.8% 0.098 242.8)
-
Step 500
500
#3991CE
oklch(63.1% 0.124 242.8)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700 (this color)
#016FAB
oklch(52.1% 0.126 243.1)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#104569
oklch(37.6% 0.082 243.7)
-
Step 950
950
#0C293D
oklch(27% 0.051 242.2)
#016FAB 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) | #5271AE | 0.056 |
| Deuteranopia (no green cones) | #3B64AA | 0.039 |
| Tritanopia (no blue cones) | #007E85 | 0.085 |
| Achromatopsia (no color) | #6A6A6A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #016FAB
#016FAB
oklch(52.1% 0.126 243.1)
- #985700
#985700
oklch(52.1% 0.119 62.9)
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 #016FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.024
- Ocean Blue #03719C ΔE 0.026
- Nice Blue #107AB0 ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.035
- Muted Blue #3B719F ΔE 0.036
- French Blue #436BAD ΔE 0.038
- Peacock Blue #016795 ΔE 0.039
- Sea Blue #047495 ΔE 0.042
Use #016FAB 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.