#006FBF
Closest named color: Mid Blue (#276AB3). oklch(53.3% 0.15 249.8), rgb(0, 111, 191).
Aa
White text reads best on this color (5.21:1).
About this color
#006FBF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.150 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.023 away. White text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #006FBF |
| RGB | rgb(0, 111, 191) |
| HSL | hsl(205, 100%, 37%) |
| OKLCH | oklch(53.3% 0.15 249.8) |
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 #006FBF | 5.21:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #006FBF | 4.02:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #006FBF text on white | 5.21:1 | AA | Lc 75.2 | Fine for body text |
| #006FBF text on black | 4.02:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400
#6AA5E1
oklch(70.6% 0.108 250)
-
Step 500
500
#3D8ED9
oklch(63.2% 0.138 249.5)
-
Step 600
600 (this color)
#006FBF
oklch(53.3% 0.15 249.8)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#08518B
oklch(42.7% 0.116 249.8)
-
Step 900
900
#13446F
oklch(37.8% 0.09 249.2)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#006FBF 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) | #4675C2 | 0.046 |
| Deuteranopia (no green cones) | #2466BD | 0.025 |
| Tritanopia (no blue cones) | #00828D | 0.108 |
| Achromatopsia (no color) | #6C6C6C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006FBF
#006FBF
oklch(53.3% 0.15 249.8)
- #975F00
#975F00
oklch(53.5% 0.116 70)
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 #006FBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.023
- Windows Blue #3778BF ΔE 0.039
- French Blue #436BAD ΔE 0.043
- Nice Blue #107AB0 ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.049
- Ocean Blue #03719C ΔE 0.058
- Muted Blue #3B719F ΔE 0.058
- Royal Blue #4169E1 ΔE 0.067
Use #006FBF 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.