#006CAF
Closest named color: Mid Blue (#276AB3). oklch(51.6% 0.134 246.3), rgb(0, 108, 175).
Aa
White text reads best on this color (5.57:1).
About this color
#006CAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.134 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.017 away. White text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #006CAF |
| RGB | rgb(0, 108, 175) |
| HSL | hsl(203, 100%, 34%) |
| OKLCH | oklch(51.6% 0.134 246.3) |
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 #006CAF | 5.57:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #006CAF | 3.76:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #006CAF text on white | 5.57:1 | AA | Lc 77.2 | Fine for body text |
| #006CAF text on black | 3.76:1 | AA large text | Lc -24.5 | 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
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#9FC5E9
oklch(80.8% 0.065 247.2)
-
Step 400
400
#68A7DD
oklch(70.7% 0.103 245.8)
-
Step 500
500
#398FD4
oklch(63% 0.132 246.4)
-
Step 600
600
#0178C1
oklch(55.6% 0.143 246.2)
-
Step 700
700 (this color)
#006CAF
oklch(51.6% 0.134 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#10456C
oklch(37.8% 0.086 245.7)
-
Step 950
950
#0C283F
oklch(26.8% 0.055 246.6)
#006CAF 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) | #4B6FB2 | 0.050 |
| Deuteranopia (no green cones) | #3262AE | 0.033 |
| Tritanopia (no blue cones) | #007C85 | 0.093 |
| Achromatopsia (no color) | #686868 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006CAF
#006CAF
oklch(51.6% 0.134 246.3)
- #935800
#935800
oklch(51.6% 0.115 66.3)
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 #006CAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.017
- Ocean Blue #03719C ΔE 0.037
- French Blue #436BAD ΔE 0.038
- Nice Blue #107AB0 ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.042
- Peacock Blue #016795 ΔE 0.042
- Muted Blue #3B719F ΔE 0.044
- Windows Blue #3778BF ΔE 0.052
Use #006CAF 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.