#006697
Closest named color: Peacock Blue (#016795). oklch(48.6% 0.111 239.7), rgb(0, 102, 151).
Aa
White text reads best on this color (6.27:1).
About this color
#006697 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.111 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.005 away. White text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #006697 |
| RGB | rgb(0, 102, 151) |
| HSL | hsl(199, 100%, 30%) |
| OKLCH | oklch(48.6% 0.111 239.7) |
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 #006697 | 6.27:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #006697 | 3.34:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #006697 text on white | 6.27:1 | AA | Lc 80.6 | Fine for body text |
| #006697 text on black | 3.34:1 | AA large text | Lc -21.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A2C6E0
oklch(80.9% 0.053 239.7)
-
Step 400
400
#6DA8D1
oklch(70.7% 0.086 239.9)
-
Step 500
500
#4192C5
oklch(63.2% 0.11 239.5)
-
Step 600
600
#187BB1
oklch(55.6% 0.119 239.6)
-
Step 700
700 (this color)
#006697
oklch(48.6% 0.111 239.7)
-
Step 800
800
#0D557C
oklch(42.9% 0.092 239.5)
-
Step 900
900
#164663
oklch(37.7% 0.071 239.4)
-
Step 950
950
#0F293A
oklch(26.9% 0.045 240)
#006697 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) | #4E6799 | 0.056 |
| Deuteranopia (no green cones) | #3B5B96 | 0.043 |
| Tritanopia (no blue cones) | #007277 | 0.072 |
| Achromatopsia (no color) | #606060 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006697
#006697
oklch(48.6% 0.111 239.7)
- #8C4D08
#8C4D08
oklch(48.6% 0.111 59.3)
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 #006697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.005
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.042
- Sea Blue #047495 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.048
- Mid Blue #276AB3 ΔE 0.050
Use #006697 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.