#006B9B
Closest named color: Peacock Blue (#016795). oklch(50.1% 0.111 238), rgb(0, 107, 155).
Aa
White text reads best on this color (5.87:1).
About this color
#006B9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.111 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.014 away. White text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #006B9B |
| RGB | rgb(0, 107, 155) |
| HSL | hsl(199, 100%, 30%) |
| OKLCH | oklch(50.1% 0.111 238) |
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 #006B9B | 5.87:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #006B9B | 3.57:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #006B9B text on white | 5.87:1 | AA | Lc 78.8 | Fine for body text |
| #006B9B text on black | 3.57:1 | AA large text | Lc -23.0 | 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
#C8DDEB
oklch(88.6% 0.03 236.9)
-
Step 300
300
#A1C6E0
oklch(80.8% 0.054 239)
-
Step 400
400
#6BA9D0
oklch(70.8% 0.086 237.3)
-
Step 500
500
#3E92C4
oklch(63% 0.11 238.3)
-
Step 600
600
#0F7CB1
oklch(55.7% 0.12 238.1)
-
Step 700
700 (this color)
#006B9B
oklch(50.1% 0.111 238)
-
Step 800
800
#06557B
oklch(42.7% 0.092 237.9)
-
Step 900
900
#144663
oklch(37.6% 0.072 238.7)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#006B9B 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) | #546B9D | 0.060 |
| Deuteranopia (no green cones) | #405F9A | 0.047 |
| Tritanopia (no blue cones) | #00777C | 0.071 |
| Achromatopsia (no color) | #656565 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006B9B
#006B9B
oklch(50.1% 0.111 238)
- #915113
#915113
oklch(50.1% 0.111 58.3)
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 #006B9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.014
- Ocean Blue #03719C ΔE 0.018
- Sea Blue #047495 ΔE 0.031
- Denim #3B638C ΔE 0.039
- Muted Blue #3B719F ΔE 0.039
- Mid Blue #276AB3 ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.051
Use #006B9B 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.