#0670BF
Closest named color: Mid Blue (#276AB3). oklch(53.6% 0.149 249.8), rgb(6, 112, 191).
Aa
White text reads best on this color (5.14:1).
About this color
#0670BF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.149 and its hue 250°. 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 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.07:1 |
| White text | 5.14:1 |
Values
| HEX | #0670BF |
| RGB | rgb(6, 112, 191) |
| HSL | hsl(206, 94%, 39%) |
| OKLCH | oklch(53.6% 0.149 249.8) |
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 #0670BF | 5.14:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #0670BF | 4.07:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #0670BF text on white | 5.14:1 | AA | Lc 74.8 | Content text, not long reading |
| #0670BF text on black | 4.07:1 | AA large text | Lc -26.9 | 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
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400
#6BA5E1
oklch(70.6% 0.107 250.3)
-
Step 500
500
#3E8ED8
oklch(63.2% 0.136 249.4)
-
Step 600
600 (this color)
#0670BF
oklch(53.6% 0.149 249.8)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#0A518A
oklch(42.7% 0.114 249.6)
-
Step 900
900
#14446F
oklch(37.8% 0.089 249.5)
-
Step 950
950
#0E2841
oklch(27.1% 0.057 249.9)
#0670BF 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) | #4875C2 | 0.045 |
| Deuteranopia (no green cones) | #2866BD | 0.028 |
| Tritanopia (no blue cones) | #00838E | 0.107 |
| Achromatopsia (no color) | #6D6D6D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0670BF
#0670BF
oklch(53.6% 0.149 249.8)
- #985F00
#985F00
oklch(53.6% 0.117 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 #0670BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.024
- Windows Blue #3778BF ΔE 0.036
- Nice Blue #107AB0 ΔE 0.041
- French Blue #436BAD ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.047
- Muted Blue #3B719F ΔE 0.056
- Ocean Blue #03719C ΔE 0.057
- Water Blue #0E87CC ΔE 0.065
Use #0670BF 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.