#2F6699
Closest named color: Denim (#3B638C). oklch(49.8% 0.1 249), rgb(47, 102, 153).
Aa
White text reads best on this color (6.03:1).
About this color
#2F6699 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.100 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.022 away. White text reads best on it, at 6.03:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.48:1 |
| White text | 6.03:1 |
Values
| HEX | #2F6699 |
| RGB | rgb(47, 102, 153) |
| HSL | hsl(209, 53%, 39%) |
| OKLCH | oklch(49.8% 0.1 249) |
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 #2F6699 | 6.03:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #2F6699 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #2F6699 text on white | 6.03:1 | AA | Lc 79.9 | Fine for body text |
| #2F6699 text on black | 3.48:1 | AA large text | Lc -21.9 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A9C4DF
oklch(80.9% 0.048 248.4)
-
Step 400
400
#7AA5CF
oklch(70.7% 0.077 248.4)
-
Step 500
500
#578EC3
oklch(63.1% 0.099 248.8)
-
Step 600
600
#3B77B0
oklch(55.6% 0.109 249.3)
-
Step 700
700 (this color)
#2F6699
oklch(49.8% 0.1 249)
-
Step 800
800
#26527A
oklch(42.7% 0.083 248.4)
-
Step 900
900
#244462
oklch(37.7% 0.064 248.4)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#2F6699 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) | #4F689B | 0.036 |
| Deuteranopia (no green cones) | #415E98 | 0.027 |
| Tritanopia (no blue cones) | #007278 | 0.077 |
| Achromatopsia (no color) | #636363 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6699
#2F6699
oklch(49.8% 0.1 249)
- #875613
#875613
oklch(49.7% 0.101 68.5)
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 #2F6699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.022
- Peacock Blue #016795 ΔE 0.024
- Dusky Blue #475F94 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.032
- Ocean Blue #03719C ΔE 0.034
- Muted Blue #3B719F ΔE 0.036
- French Blue #436BAD ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.041
Use #2F6699 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.